v3.8.0.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Cash flows from operating activities:      
Net income $ 25,170 $ 18,799 $ 25,494
Reconciliations of net income to net cash from operating activities:      
Depreciation and amortization 5,452 3,253 2,851
Gains recognized on investments (51) (3) (2)
Losses recognized on sale of property   31  
Deferred income taxes 4,039 (1,704) 2,728
Share-based compensation 4,184 2,782 2,386
Excess tax from share-based compensation   (253) 68
Changes in certain operating assets and liabilities:      
Trade accounts receivable (10,180) (35,955) 12,097
Income taxes receivable (1,686) 1,038 10,521
Prepaid expenses and other (1,825) (726) 640
Accounts payable 222 1,727 498
Accrued payroll, payroll taxes and related benefits 28,529 31,767 5,506
Other accrued liabilities 1,350 1,508 (64)
Income taxes payable (3,041) 3,294 506
Workers' compensation claims liabilities 57,140 51,235 30,397
Safety incentives liability 3,697 3,582 7,021
Customer deposits, long-term liabilities and other assets, net (141) (68) (16)
Net cash provided by operating activities 112,859 80,307 100,631
Cash flows from investing activities:      
Purchase of property and equipment (3,687) (7,106) (2,996)
Proceeds from sale of property   1,459  
Purchase of investments (6,283) (264) (8,214)
Proceeds from sales and maturities of investments 10,718 4,796 52,996
Purchase of restricted cash and investments (1,078,309) (185,845) (336,083)
Proceeds from sales and maturities of restricted cash and investments 982,776 153,890 238,701
Net cash used in investing activities (94,785) (33,070) (55,596)
Cash flows from financing activities:      
Proceeds from credit-line borrowings 24,899 14,868 46,106
Payments on credit-line borrowings (24,899) (14,868) (46,106)
Payments on long-term debt (221) (15,220) (25,220)
Common stock repurchased on vesting of restricted stock units (1,673) (433) (465)
Dividends paid (7,276) (6,359) (6,310)
Proceeds from exercise of stock options 163 72 702
Excess tax benefits from share-based compensation   253 (68)
Net cash used in financing activities (9,007) (21,687) (31,361)
Net increase in cash and cash equivalents 9,067 25,550 13,674
Cash and cash equivalents, beginning of period 50,768 25,218 11,544
Cash and cash equivalents, end of period $ 59,835 $ 50,768 $ 25,218

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