| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Jun'16 | Mar'16 | Dec'15 | Sep'15 | Jun'15 | Mar'15 | Dec'14 | Sep'14 | Jun'14 | Mar'14 | Dec'13 | Sep'13 | Jun'13 | Mar'13 | Dec'12 | Sep'12 | Jun'12 | Mar'12 | Dec'11 | Sep'11 | Jun'11 | Mar'11 | Dec'10 | Sep'10 | Jun'10 | Mar'10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Net Income (Loss) | ||||||||||||||||||||||||||||||||||||||||
259,000 | 569,000 | 578,000 | 441,000 | 141,000 | 189,000 | 689,000 | 820,000 | 1,148,000 | 1,140,000 | 610,000 | 628,000 | 602,000 | 727,000 | 777,000 | 776,000 | 747,000 | 677,000 | 575,000 | 456,000 | 534,000 | 401,000 | 360,000 | 352,000 | 158,000 | 168,000 | 122,000 | 96,000 | 112,000 | 128,000 | 150,000 | 140,000 | 113,000 | 86,000 | 71,000 | 95,000 | 101,000 | 97,000 | 0 | 0 | 0 |
CASH FLOWS FROM OPERATING ACTIVITIES | ||||||||||||||||||||||||||||||||||||||||
Adjustments to reconcile net (loss) income to net cash provided by operating activities: | ||||||||||||||||||||||||||||||||||||||||
Deferred income taxes | ||||||||||||||||||||||||||||||||||||||||
45,000 | 139,000 | 178,000 | 172,000 | 86,000 | 90,000 | -515,000 | -452,000 | -322,000 | -309,000 | 252,000 | 236,000 | 222,000 | 251,000 | 380,000 | 368,000 | 372,000 | 377,000 | 256,000 | 236,000 | 272,000 | 212,000 | 186,000 | 183,000 | 100,000 | 107,000 | 75,000 | 57,000 | 68,000 | 76,000 | 95,000 | 87,000 | 73,000 | 58,000 | 0 | 0 | 0 | - | - | - | - |
Impairment of Long-Lived Assets Held-for-use | ||||||||||||||||||||||||||||||||||||||||
202,000 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Depreciation | ||||||||||||||||||||||||||||||||||||||||
488,000 | 474,000 | 461,000 | 447,000 | 435,000 | 423,000 | 411,000 | 404,000 | 394,000 | 383,000 | 372,000 | 359,000 | 348,000 | 337,000 | 326,000 | 312,000 | 300,000 | 288,000 | 276,000 | 268,000 | 262,000 | 263,000 | 267,000 | 268,000 | 265,000 | 258,000 | 248,000 | 241,000 | 236,000 | 230,000 | 227,000 | 220,000 | 217,000 | 213,000 | 205,000 | 203,000 | 197,000 | 194,000 | 0 | 0 | 0 |
Amortization | ||||||||||||||||||||||||||||||||||||||||
52,000 | 51,000 | 48,000 | 47,000 | 47,000 | 46,000 | 30,000 | 32,000 | 36,000 | 41,000 | 60,000 | 60,000 | 59,000 | 56,000 | 56,000 | 53,000 | 49,000 | 57,000 | 61,000 | 64,000 | 68,000 | 62,000 | 56,000 | 53,000 | 51,000 | 48,000 | 46,000 | 44,000 | 41,000 | 39,000 | 37,000 | 36,000 | 35,000 | 34,000 | 33,000 | 32,000 | 33,000 | 36,000 | 0 | 0 | 0 |
Stock-based compensation | ||||||||||||||||||||||||||||||||||||||||
31,000 | 31,000 | 32,000 | 31,000 | 30,000 | 28,000 | 27,000 | 27,000 | 27,000 | 29,000 | 27,000 | 26,000 | 25,000 | 23,000 | 23,000 | 23,000 | 22,000 | 20,000 | 19,000 | 18,000 | 18,000 | 20,000 | 20,000 | 20,000 | 18,000 | 14,000 | 13,000 | 12,000 | 13,000 | 13,000 | 13,000 | 13,000 | 12,000 | 13,000 | 14,000 | 16,000 | 17,000 | 17,000 | 0 | 0 | 0 |
Gain on sale of subsidiary | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 241,000 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Gains on sale of assets and debt extinguishment | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Collateral returned for derivative instruments | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -52,000 | 6,000 | 11,000 | 29,000 | 49,000 | -3,000 | -7,000 | -5,000 | -8,000 | -10,000 | -19,000 | -10,000 | -8,000 | -15,000 | 6,000 | -1,000 | -10,000 | 0 | 0 | 0 | - | - | - | - |
Changes in certain operating assets and liabilities: | ||||||||||||||||||||||||||||||||||||||||
Changes in certain operating assets and liabilities | ||||||||||||||||||||||||||||||||||||||||
0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 |
Other, net | ||||||||||||||||||||||||||||||||||||||||
-38,000 | -27,000 | -6,000 | 9,000 | 7,000 | 3,000 | 6,000 | -5,000 | -21,000 | -22,000 | -29,000 | -22,000 | -16,000 | -17,000 | -37,000 | -45,000 | -24,000 | -23,000 | -1,000 | 7,000 | 12,000 | 24,000 | 29,000 | 42,000 | 33,000 | 17,000 | 24,000 | 12,000 | 20,000 | 24,000 | 28,000 | 48,000 | 52,000 | 61,000 | 57,000 | 45,000 | 38,000 | 36,000 | 0 | 0 | 0 |
Net cash provided by operating activities | ||||||||||||||||||||||||||||||||||||||||
1,153,000 | 1,449,000 | 1,474,000 | 1,446,000 | 1,130,000 | 1,200,000 | 1,237,000 | 1,229,000 | 1,437,000 | 1,379,000 | 1,381,000 | 1,497,000 | 1,479,000 | 1,632,000 | 1,621,000 | 1,715,000 | 1,655,000 | 1,598,000 | 1,482,000 | 1,261,000 | 1,118,000 | 912,000 | 917,000 | 897,000 | 875,000 | 758,000 | 722,000 | 610,000 | 611,000 | 698,000 | 655,000 | 698,000 | 675,000 | 614,000 | 533,000 | 573,000 | 525,000 | 523,000 | 0 | 0 | 0 |
CASH FLOWS FROM INVESTING ACTIVITIES | ||||||||||||||||||||||||||||||||||||||||
Capital expenditures | ||||||||||||||||||||||||||||||||||||||||
1,145,000 | 932,000 | 875,000 | 868,000 | 825,000 | 908,000 | 907,000 | 923,000 | 1,013,000 | 1,074,000 | 1,075,000 | 1,093,000 | 952,000 | 850,000 | 824,000 | 741,000 | 832,000 | 837,000 | 725,000 | 792,000 | 720,000 | 730,000 | 771,000 | 658,000 | 699,000 | 615,000 | 528,000 | 495,000 | 447,000 | 542,000 | 524,000 | 590,000 | 533,000 | 480,000 | 363,000 | 322,000 | 325,000 | 249,000 | 0 | 0 | 0 |
Predelivery deposits for flight equipment | ||||||||||||||||||||||||||||||||||||||||
214,000 | 224,000 | 255,000 | 310,000 | 250,000 | 206,000 | 161,000 | 101,000 | 107,000 | 128,000 | 133,000 | 185,000 | 178,000 | 161,000 | 163,000 | 111,000 | 107,000 | 104,000 | 87,000 | 91,000 | 115,000 | 127,000 | 108,000 | 82,000 | 45,000 | 22,000 | 235,000 | 261,000 | 277,000 | 283,000 | 62,000 | 52,000 | 52,000 | 44,000 | 58,000 | 54,000 | 52,000 | 50,000 | 0 | 0 | 0 |
Assets constructed for others | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -14,000 | 0 | 0 | 0 |
Purchase of intangible assets | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - |
Purchase of held-to-maturity investments | ||||||||||||||||||||||||||||||||||||||||
239,000 | 374,000 | 532,000 | 543,000 | 514,000 | 429,000 | 365,000 | 319,000 | 194,000 | 207,000 | 217,000 | 244,000 | 339,000 | 276,000 | 181,000 | 198,000 | 241,000 | 370,000 | 507,000 | 494,000 | 424,000 | 361,000 | 286,000 | 258,000 | 231,000 | 234,000 | 174,000 | 347,000 | 361,000 | 444,000 | 562,000 | 421,000 | 512,000 | 450,000 | 387,000 | 518,000 | 739,000 | 866,000 | 0 | 0 | 0 |
Proceeds from the maturities of held-to-maturity investments | ||||||||||||||||||||||||||||||||||||||||
354,000 | 534,000 | 559,000 | 544,000 | 574,000 | 505,000 | 557,000 | 362,000 | 312,000 | 244,000 | 179,000 | 201,000 | 232,000 | 333,000 | 371,000 | 351,000 | 363,000 | 313,000 | 367,000 | 420,000 | 369,000 | 379,000 | 354,000 | 284,000 | 288,000 | 300,000 | 263,000 | 396,000 | 408,000 | 434,000 | 494,000 | 482,000 | 601,000 | 573,000 | 608,000 | 633,000 | 500,000 | 414,000 | 0 | 0 | 0 |
Purchase of available-for-sale securities | ||||||||||||||||||||||||||||||||||||||||
890,000 | 1,000,000 | 1,038,000 | 1,378,000 | 1,216,000 | 979,000 | 724,000 | 301,000 | 220,000 | 245,000 | 313,000 | 421,000 | 584,000 | 597,000 | 642,000 | 527,000 | 435,000 | 372,000 | 237,000 | 175,000 | 190,000 | 335,000 | 370,000 | 458,000 | 494,000 | 413,000 | 557,000 | 612,000 | 566,000 | 532,000 | 571,000 | 533,000 | 542,000 | 602,000 | 526,000 | 626,000 | 1,184,000 | 1,069,000 | 0 | 0 | 0 |
Proceeds from the sale of available-for-sale securities | ||||||||||||||||||||||||||||||||||||||||
1,005,000 | 880,000 | 1,190,000 | 1,170,000 | 1,004,000 | 875,000 | 464,000 | 412,000 | 440,000 | 444,000 | 567,000 | 599,000 | 612,000 | 517,000 | 447,000 | 312,000 | 272,000 | 242,000 | 150,000 | 164,000 | 110,000 | 398,000 | 547,000 | 563,000 | 662,000 | 508,000 | 464,000 | 504,000 | 482,000 | 438,000 | 563,000 | 632,000 | 553,000 | 503,000 | 349,000 | 405,000 | 967,000 | 1,052,000 | 0 | 0 | 0 |
Other, net | ||||||||||||||||||||||||||||||||||||||||
10,000 | 13,000 | 8,000 | -1,000 | 10,000 | 15,000 | 23,000 | 17,000 | 19,000 | 13,000 | 19,000 | 17,000 | 14,000 | 12,000 | 9,000 | 9,000 | 7,000 | 6,000 | -10,000 | -8,000 | -7,000 | -4,000 | 0 | 0 | 1,000 | 0 | -2,000 | -4,000 | -19,000 | -18,000 | -14,000 | -13,000 | 0 | -1,000 | 0 | 0 | 0 | - | - | - | - |
Sale of auction rate securities, or ARS | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 85,000 | 0 | 0 | 0 |
Net cash used in investing activities | ||||||||||||||||||||||||||||||||||||||||
-1,139,000 | -1,129,000 | -959,000 | -1,384,000 | -1,237,000 | -1,157,000 | -1,159,000 | -887,000 | -801,000 | -979,000 | -1,011,000 | -1,160,000 | -1,223,000 | -1,046,000 | -1,001,000 | -923,000 | -987,000 | -1,134,000 | -1,029,000 | -958,000 | -570,000 | -379,000 | -249,000 | -226,000 | -520,000 | -476,000 | -759,000 | -805,000 | -698,000 | -867,000 | -605,000 | -426,000 | -488,000 | -502,000 | -382,000 | -439,000 | -769,000 | -696,000 | 0 | 0 | 0 |
CASH FLOWS FROM FINANCING ACTIVITIES | ||||||||||||||||||||||||||||||||||||||||
Issuance of long-term debt | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 94,000 | 342,000 | 481,000 | 537,000 | 617,000 | 393,000 | 338,000 | 270,000 | 239,000 | 215,000 | 186,000 | 212,000 | 159,000 | 245,000 | 0 | 0 | 0 | - | - | - | - |
Proceeds from Short-term Debt | ||||||||||||||||||||||||||||||||||||||||
0 | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Proceeds from: | ||||||||||||||||||||||||||||||||||||||||
Proceeds from issuance of common stock | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | 48,000 | 47,000 | 48,000 | 45,000 | 45,000 | 42,000 | 52,000 | 56,000 | 84,000 | 96,000 | 89,000 | 71,000 | 41,000 | 0 | 0 | 0 | - | - | - | - | 9,000 | 11,000 | 11,000 | 12,000 | 10,000 | 9,000 | 9,000 | 8,000 | 9,000 | 0 | 0 | 0 |
Construction Obligation | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 15,000 | 0 | 0 | 0 |
Repayment of: | ||||||||||||||||||||||||||||||||||||||||
Short-term borrowings and lines of credit | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | - | - | - | - | 0 | 0 | 0 |
Repayment of long-term debt and finance lease obligations | ||||||||||||||||||||||||||||||||||||||||
292,000 | 323,000 | 302,000 | 280,000 | 297,000 | 222,000 | 234,000 | 234,000 | 202,000 | 194,000 | 358,000 | 365,000 | 367,000 | 368,000 | 244,000 | 237,000 | 324,000 | 328,000 | 286,000 | 293,000 | 520,000 | 702,000 | 990,000 | 1,000,000 | 797,000 | 612,000 | 999,000 | 883,000 | 517,000 | 418,000 | 100,000 | 64,000 | 233,000 | 238,000 | -227,000 | -186,000 | -569,000 | -333,000 | 0 | 0 | 0 |
Payments for Repurchase of Common Stock | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | 0 | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Repayment of short-term borrowings and lines of credit | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 |
Acquisition of treasury stock | ||||||||||||||||||||||||||||||||||||||||
578,000 | 542,000 | 381,000 | 381,000 | 381,000 | 382,000 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Other, net | ||||||||||||||||||||||||||||||||||||||||
0 | - | - | - | 0 | - | - | - | - | 0 | -31,000 | -28,000 | -25,000 | -15,000 | 2,000 | -2,000 | 12,000 | -2,000 | -4,000 | -3,000 | -13,000 | -16,000 | -20,000 | -20,000 | -22,000 | -22,000 | -2,000 | -4,000 | -4,000 | -2,000 | -9,000 | -2,000 | -9,000 | -5,000 | -10,000 | -12,000 | -7,000 | -4,000 | 0 | 0 | 0 |
Net cash provided by (used in) financing activities | ||||||||||||||||||||||||||||||||||||||||
1,142,000 | 165,000 | -271,000 | -202,000 | 57,000 | 131,000 | -19,000 | -290,000 | -564,000 | -536,000 | -852,000 | -725,000 | -577,000 | -472,000 | -291,000 | -279,000 | -510,000 | -487,000 | -358,000 | -335,000 | -450,000 | -417,000 | -592,000 | -550,000 | -200,000 | -239,000 | -132,000 | -124,000 | -219,000 | -322,000 | -140,000 | -195,000 | -85,000 | 96,000 | -17,000 | -36,000 | -35,000 | -258,000 | 0 | 0 | 0 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect | ||||||||||||||||||||||||||||||||||||||||
1,156,000 | 485,000 | 244,000 | -140,000 | -50,000 | 174,000 | 59,000 | 52,000 | 72,000 | -136,000 | -482,000 | -388,000 | -321,000 | 114,000 | 329,000 | 513,000 | 158,000 | -23,000 | 95,000 | -32,000 | 98,000 | 116,000 | 76,000 | 121,000 | 155,000 | 43,000 | -169,000 | -319,000 | -306,000 | -491,000 | -90,000 | 77,000 | 102,000 | 208,000 | 134,000 | 98,000 | -279,000 | -431,000 | 0 | 0 | 0 |
Supplemental Cash Flow Information [Abstract] | ||||||||||||||||||||||||||||||||||||||||
Interest Paid, Excluding Capitalized Interest, Operating Activities | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | 59,000 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Income Taxes Paid, Net | ||||||||||||||||||||||||||||||||||||||||
-51,000 | -52,000 | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | ||||||||||||||||||||||||||||||||||||||||
0 | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Income Taxes Paid | ||||||||||||||||||||||||||||||||||||||||
- | - | - | - | - | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |