| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||||||||||||||
Net income | ||||||||||||||||||||
24,603 | 21,850 | 34,400 | 29,983 | 28,137 | 25,303 | 34,386 | 33,187 | 28,101 | 22,649 | 32,144 | 30,292 | 25,672 | 19,843 | 26,991 | 24,947 | 20,836 | 17,594 | 23,378 | 21,884 | 17,836 |
Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||||||||||||
Depreciation and amortization | ||||||||||||||||||||
38,736 | 40,679 | 36,654 | 33,742 | 32,856 | 32,608 | 29,956 | 30,017 | 29,262 | 32,670 | 29,396 | 28,861 | 26,960 | 25,198 | 25,358 | 24,663 | 23,624 | 22,928 | 23,401 | 23,219 | 22,765 |
Deferred income taxes | ||||||||||||||||||||
339 | 7,062 | -4,089 | -3,529 | -186 | 6,436 | -1,254 | -3,911 | 4,582 | 1,049 | -3,314 | -6,433 | 5,360 | 3,345 | 3,108 | -1,637 | 741 | 7,262 | 2,757 | -2,031 | -1,826 |
Gain on disposal of property and equipment, net | ||||||||||||||||||||
104 | 100 | 104 | 43 | 416 | -351 | -116 | -12 | 228 | 145 | -652 | -581 | 2 | -1,092 | -297 | -253 | -137 | -1,022 | -387 | -488 | -104 |
Amortization of deferred financing costs | ||||||||||||||||||||
659 | 1,367 | 673 | 668 | 577 | 562 | 535 | 595 | 505 | 499 | 498 | 503 | 503 | 485 | 487 | 710 | 587 | 682 | 587 | 588 | 849 |
Share-based compensation | ||||||||||||||||||||
3,132 | 3,024 | 3,102 | 3,491 | 3,286 | 3,059 | 3,124 | 3,456 | 2,830 | 3,824 | 3,550 | 3,434 | 3,878 | 9,854 | 3,505 | 3,100 | 3,308 | 7,423 | 1,851 | 1,786 | 1,775 |
Excess tax benefit related to share-based compensation | ||||||||||||||||||||
1,146 | 245 | 156 | 71 | 846 | -680 | 2,011 | -93 | 4,657 | -636 | 773 | 247 | 8,118 | 633 | 139 | 691 | 2,074 | - | - | - | - |
Changes in operating assets and liabilities | ||||||||||||||||||||
-16,019 | 3,390 | 10,566 | 8,229 | -14,737 | 825 | -1,000 | 14,919 | -16,645 | 8,286 | 1,021 | -11,661 | -19,789 | 9,756 | 530 | -7,367 | -13,196 | 10,137 | 6,220 | -2,912 | -12,238 |
Other | ||||||||||||||||||||
859 | 1,155 | -4,266 | -283 | -195 | 566 | 457 | -307 | -809 | 800 | -265 | -365 | -139 | 1,193 | -266 | -324 | -232 | 100 | -175 | -316 | 134 |
Net cash provided by operating activities | ||||||||||||||||||||
83,097 | 71,402 | 55,648 | 55,712 | 77,950 | 68,666 | 66,309 | 48,223 | 76,231 | 53,696 | 60,671 | 68,287 | 73,903 | 50,621 | 58,811 | 58,388 | 60,123 | 46,118 | 45,439 | 46,833 | 53,875 |
Cash flows from investing activities: | ||||||||||||||||||||
Purchases of property and equipment | ||||||||||||||||||||
81,976 | 93,894 | 84,954 | 170,585 | 82,826 | 124,406 | 87,109 | 78,288 | 59,145 | 59,638 | 58,454 | 67,625 | 38,477 | 43,186 | 39,126 | 44,660 | 38,363 | 45,539 | 37,968 | 25,125 | 23,039 |
Acquisitions, net of cash acquired | ||||||||||||||||||||
0 | 3,609 | 0 | 0 | 12,400 | 136 | 12,665 | 437 | 0 | 1,630 | 2,569 | 19,837 | 6,578 | 62,971 | 112 | 5,936 | 1,245 | - | - | - | - |
Proceeds from sale of property and equipment | ||||||||||||||||||||
230 | 243 | 455 | 244 | 447 | 329 | 353 | 208 | 555 | 296 | 311 | -1 | 363 | 60 | 281 | 115 | 338 | 130 | 1 | 700 | 20 |
Proceeds from property insurance settlements | ||||||||||||||||||||
- | - | - | - | - | 0 | 2 | 54 | 121 | 8 | 111 | 120 | 670 | 370 | 94 | 0 | 0 | - | - | - | - |
Increase in other assets | ||||||||||||||||||||
-785 | -342 | -427 | 2,366 | -33 | -165 | -286 | -6 | -730 | -239 | 156 | -78 | -172 | -75 | 94 | -89 | -22 | -2,365 | 845 | -1,660 | 237 |
Increase in restricted cash | ||||||||||||||||||||
302 | -377 | 302 | -549 | 287 | 116 | 287 | -1,915 | 275 | 274 | 275 | -828 | 177 | 264 | 263 | -2,058 | 47 | 520 | 72 | -454 | -507 |
Net cash used in investing activities | ||||||||||||||||||||
-82,833 | -97,225 | -85,228 | -166,641 | -95,099 | -123,816 | -99,992 | -76,554 | -59,474 | -61,477 | -58,962 | -86,593 | -44,371 | -106,066 | -39,032 | -48,512 | -39,339 | -50,575 | -41,139 | -34,571 | -22,749 |
Cash flows from financing activities: | ||||||||||||||||||||
Proceeds from long-term borrowings | ||||||||||||||||||||
0 | 0 | 78,000 | 3,750 | 80,000 | 0 | 50,000 | 0 | 75,000 | 0 | 0 | 0 | 0 | - | - | - | - | - | - | - | - |
Repayments of long-term borrowings | ||||||||||||||||||||
6,594 | 6,801 | 15,420 | 5,863 | 4,909 | 3,503 | 3,501 | 26,576 | 1,696 | 1,835 | 1,573 | 2,080 | 1,441 | 1,409 | 4,179 | 71,420 | 2,184 | 2,327 | 2,915 | 2,486 | 32,666 |
Proceeds from credit facility, net | ||||||||||||||||||||
10,500 | 33,000 | -11,900 | 198,100 | 5,300 | 63,650 | 6,350 | 64,900 | -78,400 | 38,000 | -6,000 | 24,600 | -34,600 | 50,000 | -13,800 | 63,800 | -22,200 | -16,400 | 7,399 | -2,699 | 7,800 |
Repayments of financing lease obligation | ||||||||||||||||||||
348 | - | - | - | 290 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Increase in deferred financing costs | ||||||||||||||||||||
0 | 284 | 214 | 3,523 | 947 | 418 | 3,237 | 511 | 465 | 608 | 50 | 246 | 10 | 594 | 53 | 4,342 | 0 | 241 | 0 | 300 | -42 |
Excess tax benefit related to share-based compensation | ||||||||||||||||||||
1,146 | 245 | 156 | 71 | 846 | -680 | 2,011 | -93 | 4,657 | -636 | 773 | 247 | 8,118 | 633 | 139 | 691 | 2,074 | - | - | - | - |
Proceeds from stock option exercises | ||||||||||||||||||||
1,103 | 195 | 51 | 523 | 2,139 | 171 | 455 | 236 | 872 | 254 | 106 | 10 | 1,972 | 1,682 | 435 | 271 | 774 | 1,482 | 708 | 2,581 | 371 |
Proceeds from employee stock purchase plan | ||||||||||||||||||||
547 | 315 | 503 | 292 | 483 | 293 | 467 | 193 | 414 | 207 | 409 | 202 | 388 | 187 | 357 | 181 | 336 | - | - | - | - |
Stock purchased for employee stock purchase plan | ||||||||||||||||||||
845 | 0 | 830 | 0 | 701 | 0 | 740 | 0 | 569 | 0 | 641 | 0 | 649 | 0 | 566 | 0 | 547 | - | - | - | - |
Repurchases of common stock | ||||||||||||||||||||
0 | 0 | 26,884 | 79,496 | 60,498 | 21,687 | 12,115 | 8,808 | 19,349 | 19,099 | 0 | 0 | 0 | - | - | - | - | - | - | - | - |
Net cash provided by financing activities | ||||||||||||||||||||
5,509 | 25,438 | 23,462 | 114,144 | 21,423 | 36,814 | 39,690 | 29,341 | -19,536 | 15,471 | -6,976 | 22,733 | -26,222 | 50,499 | -17,667 | -10,819 | -21,747 | -16,818 | 5,192 | -1,207 | -24,453 |
Effect of exchange rates on cash and cash equivalents | ||||||||||||||||||||
-50 | -62 | -110 | 95 | -68 | 6,951 | 586 | -1,578 | -26 | 184 | -1,607 | 275 | 0 | - | - | - | - | - | - | - | - |
Increase in cash and cash equivalents | ||||||||||||||||||||
5,723 | -447 | -6,228 | 3,310 | 4,206 | -11,385 | 6,593 | -568 | -2,805 | 7,874 | -6,874 | 4,702 | 3,310 | -4,946 | 2,112 | -943 | -963 | -21,275 | 9,492 | 11,055 | 6,673 |