| Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Jun'16 | Mar'16 |
|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | |||||||||
Net income | |||||||||
160,642 | 165,155 | 138,203 | 0 | 0 | 0 | - | - | - | - |
Net income | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||
Deferred income taxes | |||||||||
-35,314 | -37,760 | -41,641 | -2,330 | 4,650 | -453 | -7,735 | 0 | 0 | 0 |
Depreciation and amortization | |||||||||
86,547 | 86,047 | 85,183 | 0 | 0 | 0 | - | - | - | - |
Depreciation and amortization | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Stock-based compensation expense | |||||||||
29,722 | 23,436 | 16,873 | 11,700 | 22,990 | 23,963 | 22,954 | 0 | 0 | 0 |
Amortization of debt issuance costs | |||||||||
2,434 | 2,763 | 2,893 | 3,027 | 3,097 | 3,575 | 4,278 | 0 | 0 | 0 |
Accretion of asset retirement obligations | |||||||||
202 | 197 | 194 | 194 | 192 | 188 | 186 | 0 | 0 | 0 |
Changes in operating assets and liabilities: | |||||||||
Restricted cash | |||||||||
- | - | - | - | - | - | -1,638 | 0 | 0 | 0 |
Accounts receivable | |||||||||
-15,168 | 8,910 | 13,494 | -2,409 | 12,541 | -4,518 | -11,121 | 0 | 0 | 0 |
Other assets | |||||||||
0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 |
Customer deposits | |||||||||
- | - | - | - | - | - | -1,638 | 0 | 0 | 0 |
Accrued compensation | |||||||||
-4,958 | -1,581 | -16,072 | -1,604 | 192 | -5,071 | 15,687 | 0 | 0 | 0 |
Accounts payable and accrued other expenses | |||||||||
884 | 3,954 | -2,402 | 675 | -3,720 | -3,437 | -4,821 | 0 | 0 | 0 |
Estimated liability for refunds and appeals | |||||||||
-52,750 | -52,398 | -932 | -12,625 | -12,939 | -8,272 | -5,236 | 0 | 0 | 0 |
Other long-term liabilities | |||||||||
1,350 | 504 | 413 | 300 | 383 | 212 | 109 | 0 | 0 | 0 |
Other | |||||||||
947 | 700 | 148 | -570 | -465 | -806 | -827 | 0 | 0 | 0 |
Net cash provided by operating activities | |||||||||
211,517 | 185,247 | 175,103 | 187,989 | 158,897 | 177,390 | 189,171 | 0 | 0 | 0 |
Cash flows from investing activities: | |||||||||
Expenditures for property and equipment | |||||||||
41,894 | 39,999 | 37,274 | 36,245 | 37,787 | 35,406 | 35,213 | 0 | 0 | 0 |
Other investing activities | |||||||||
- | - | - | - | - | - | -1,181 | 0 | 0 | 0 |
Net cash used in investing activities | |||||||||
-111,886 | -109,991 | -107,266 | 0 | 0 | 0 | - | - | - | - |
Cash flows from financing activities: | |||||||||
Net cash used in investing activities | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Proceeds from issuance of common stock under equity plans | |||||||||
0 | 0 | - | 0 | 0 | 0 | - | 0 | 0 | 0 |
Repayment of debt | |||||||||
18,000 | 18,000 | 18,000 | 18,000 | 836,200 | 1,069,825 | 1,067,350 | 0 | 0 | 0 |
Net cash provided by financing activities | |||||||||
-13,216 | -14,758 | -13,321 | 0 | 0 | 0 | - | - | - | - |
Effect of foreign exchanges on cash and cash equivalents | |||||||||
86 | 341 | 367 | 0 | 0 | 0 | - | - | - | - |
Net increase in cash, cash equivalents and restricted cash | |||||||||
0 | 0 | - | - | 0 | 0 | - | - | - | - |
Net cash provided by (used in) financing activities | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Effect of foreign exchanges on cash and cash equivalents | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Net increase (decrease) in cash and cash equivalents | |||||||||
- | - | - | - | - | - | -38,730 | 0 | 0 | 0 |
Supplemental disclosures of cash flow information: | |||||||||
Cash paid for income taxes | |||||||||
32,939 | 28,833 | 28,452 | 0 | 0 | 0 | - | - | - | - |
Cash paid for interest | |||||||||
32,166 | 29,914 | 29,601 | 0 | 0 | 0 | - | - | - | - |
Cash paid for income taxes | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Cash paid for interest | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Noncash investing activities (accrued property and equipment purchases) | |||||||||
772 | 3,924 | 5,912 | 8,774 | 5,724 | 5,849 | 8,163 | 0 | 0 | 0 |