| Dec'19 | Dec'18 | Dec'17 | Jan'17 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 |
|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | |||||||||||
Net income (loss) | |||||||||||
63,073 | 65,754 | 55,456 | -15,251 | 71,247 | 65,675 | 44,924 | 33,629 | 30,791 | 19,839 | 8,797 | -4,159 |
Adjustments to reconcile net income (loss) to net cash provided by operating activities: | |||||||||||
Depreciation and amortization | |||||||||||
37,549 | 41,049 | 46,115 | 46,692 | 41,843 | 29,474 | 20,472 | 18,890 | 16,384 | 16,468 | 17,030 | 16,774 |
Goodwill and intangible asset impairment charge | |||||||||||
- | - | - | 103,544 | 0 | 0 | - | - | - | - | - | 61,000 |
Provision for doubtful accounts | |||||||||||
7,661 | 10,042 | 6,808 | 8,308 | 7,132 | 11,815 | 12,063 | 6,994 | 6,638 | 8,158 | 14,545 | 13,163 |
Stock-based compensation | |||||||||||
9,769 | 13,876 | 7,744 | 9,363 | 11,103 | 11,051 | 8,412 | 7,917 | 7,432 | 7,159 | 7,066 | 7,706 |
Deferred income taxes | |||||||||||
1,263 | -1,929 | 2,440 | -25,355 | 5,176 | 12,663 | -3,844 | 3,091 | -1,910 | 5,322 | 2,772 | 2,960 |
Non-cash lease expense | |||||||||||
14,823 | 0 | 0 | - | - | - | - | - | - | - | - | - |
Other operating activities | |||||||||||
1,589 | -5,154 | -2,349 | -7,910 | -446 | -898 | -2,116 | -1,946 | 473 | 202 | 1,062 | -311 |
Changes in operating assets and liabilities: | |||||||||||
Accounts receivable | |||||||||||
-5,450 | -11,640 | 28,483 | -112,785 | 89,474 | 77,629 | 4,181 | 20,408 | 51,824 | 11,604 | -14,812 | -32,813 |
Income tax receivable | |||||||||||
6,480 | 996 | -14,875 | 9,450 | -16,678 | -5,696 | -4,113 | -3,748 | 3,513 | -3,338 | 13,397 | -25,170 |
Other assets | |||||||||||
12,575 | 12,928 | -5,289 | -470 | 6,398 | 7,361 | 7,341 | 1,214 | 1,244 | 727 | 919 | -3,133 |
Accounts payable and other accrued expenses | |||||||||||
6,921 | 3,029 | -7,657 | -4,101 | 23,261 | -8,683 | -3,592 | 1,524 | 5,423 | 747 | -4,573 | -5,199 |
Accrued wages and benefits | |||||||||||
-9,494 | -1,613 | -2,713 | -7,313 | 12,203 | 12,069 | -3,643 | -182 | 10,793 | 2,752 | 2,015 | -8,815 |
Workers’ compensation claims reserve | |||||||||||
-10,828 | -7,877 | -1,048 | 11,070 | 14,736 | 1,579 | 9,859 | 3,746 | 4,537 | -2,195 | -14,091 | 1,680 |
Operating lease liabilities | |||||||||||
-15,178 | 0 | 0 | - | - | - | - | - | - | - | - | - |
Other liabilities | |||||||||||
3,166 | 491 | -1,041 | 4,182 | -2,525 | 1,670 | 6,710 | 138 | 529 | -406 | -522 | -3,137 |
Net cash provided by operating activities | |||||||||||
93,531 | 125,692 | 100,134 | 261,754 | 72,072 | 47,525 | 86,068 | 52,323 | 30,589 | 41,973 | 33,605 | 92,438 |
Cash flows from investing activities: | |||||||||||
Capital expenditures | |||||||||||
28,119 | 17,054 | 21,958 | 29,042 | 18,394 | 16,918 | 13,003 | 17,826 | 9,707 | 7,050 | 13,153 | 26,137 |
Payments to Acquire Businesses, Gross | |||||||||||
0 | 22,742 | 0 | 72,476 | 67,500 | 305,876 | 77,560 | 0 | 0 | - | - | 22,390 |
Divestiture of business | |||||||||||
215 | 10,587 | 0 | - | - | - | - | - | - | - | - | - |
Payments for (Proceeds from) Life Insurance Policies | |||||||||||
12,210 | 0 | 0 | - | - | - | - | - | - | - | - | - |
Purchases of restricted available-for-sale investments | |||||||||||
7,667 | 6,173 | 5,907 | - | - | - | - | - | - | - | - | - |
Sales of restricted available-for-sale investments | |||||||||||
20,859 | 1,991 | 2,897 | - | - | - | - | - | - | - | - | - |
Purchases of restricted held-to-maturity investments | |||||||||||
22,963 | 6,768 | 44,694 | - | - | - | - | - | - | - | - | - |
Maturities of restricted held-to-maturity investments | |||||||||||
28,254 | 19,644 | 17,260 | - | - | - | - | - | - | - | - | - |
Maturities of marketable securities | |||||||||||
- | - | - | - | - | - | - | - | - | - | - | 38,087 |
Purchases of marketable securities | |||||||||||
- | - | - | - | - | 25,057 | 40,800 | 0 | 0 | - | - | 27,158 |
Sales and maturities of marketable securities | |||||||||||
- | - | - | 0 | 1,500 | 44,167 | 20,050 | 0 | 0 | - | - | - |
Change in restricted cash | |||||||||||
- | - | - | 19,773 | -18,374 | 9,283 | 16,122 | -7,587 | -68,504 | -3,945 | 3,689 | -12,174 |
Purchases of restricted investments | |||||||||||
- | - | - | 37,173 | 51,516 | 18,196 | 13,411 | 33,778 | 88,173 | 0 | 0 | - |
Maturities of restricted investments | |||||||||||
- | - | - | 15,248 | 12,510 | 12,726 | 15,581 | 18,116 | 9,238 | 0 | 0 | - |
Other | |||||||||||
0 | 0 | 1,979 | - | - | - | - | 250 | 6,800 | 298 | -94 | 11 |
Net cash provided by (used in) investing activities | |||||||||||
-21,631 | -20,515 | -54,381 | -143,216 | -105,026 | -318,437 | -125,265 | -26,151 | -26,938 | -3,403 | -16,748 | -25,435 |
Cash flows from financing activities: | |||||||||||
Purchases and retirement of common stock | |||||||||||
38,826 | 34,818 | 36,680 | 5,748 | 0 | 0 | - | 4,386 | 56,932 | 0 | 0 | 15,997 |
Net proceeds from employee stock purchase plans | |||||||||||
1,329 | 1,503 | 1,646 | 1,542 | 1,563 | 2,191 | 9,136 | 4,164 | 1,131 | 1,054 | 1,062 | 3,488 |
Common stock repurchases for taxes upon vesting of restricted stock | |||||||||||
2,222 | 3,404 | 3,127 | 2,851 | 3,869 | 3,114 | 2,800 | 2,154 | 1,776 | 1,568 | 880 | - |
Net change in Revolving Credit Facility | |||||||||||
-42,900 | -15,900 | -16,607 | -105,579 | 46,091 | 171,994 | 0 | 0 | - | - | - | - |
Proceeds from long-term debt | |||||||||||
- | - | - | - | - | - | 34,000 | 0 | 0 | - | - | - |
Payments on debt | |||||||||||
0 | 22,397 | 2,267 | 2,456 | 2,078 | 2,267 | 8,681 | 4,548 | 302 | 382 | - | - |
Payment of contingent consideration at acquisition date fair value | |||||||||||
0 | 0 | 18,300 | 0 | 0 | - | - | - | - | - | - | - |
Shares withheld for taxes upon vesting of restricted stock | |||||||||||
- | - | - | - | - | - | - | - | - | - | - | 1,018 |
Payments on other liabilities | |||||||||||
- | - | - | - | - | - | - | - | - | - | 394 | 250 |
Other | |||||||||||
-296 | 0 | 0 | -29 | 1,079 | 978 | 713 | 751 | 664 | 129 | -996 | -229 |
Net cash provided by (used in) financing activities | |||||||||||
-82,915 | -75,016 | -75,335 | -115,121 | 42,786 | 169,782 | 32,368 | -6,173 | -57,215 | -767 | -1,208 | -14,006 |
Effect of exchange rate changes on cash, cash equivalents and restricted cash | |||||||||||
936 | -1,542 | 191 | 1,772 | 283 | -1,207 | -681 | 203 | -278 | 973 | 626 | -1,903 |
Net change in cash, cash equivalents and restricted cash | |||||||||||
-10,079 | 28,619 | -29,391 | 5,189 | 10,115 | -102,337 | -7,510 | 20,202 | -53,842 | 38,776 | 16,275 | 51,094 |
Supplemental Cash Flow Information [Abstract] | |||||||||||
Interest | |||||||||||
2,432 | 4,373 | 3,811 | 4,083 | 3,504 | - | - | - | - | - | - | - |
Income taxes | |||||||||||
12,166 | 12,898 | 4,593 | 10,312 | 34,401 | - | - | - | - | - | - | - |
Operating lease liabilities | |||||||||||
17,643 | 0 | 0 | - | - | - | - | - | - | - | - | - |
Property and equipment purchased but not yet paid | |||||||||||
993 | 1,553 | 375 | 1,471 | 341 | - | - | - | - | - | - | - |
Divestiture non-cash consideration | |||||||||||
0 | 798 | 0 | - | - | - | - | - | - | - | - | - |
Right-of-use assets obtained in exchange for new operating lease liabilities | |||||||||||
18,759 | 0 | 0 | 3,783 | 0 | - | - | - | - | - | - | - |