UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 101,714	$ 25,447
Adjustments to reconcile net income to cash provided by operating activities:
Gain on sale of discontinued operations	(80,004)	0
Deferred income tax provision, net	1,735	(498)
Provision for bad debts	797	961
Depreciation and amortization	3,623	4,172
Stock-based compensation expense	5,050	4,552
Defined benefit pension plan expense	431	910
(Gain) loss on deferred compensation plan investments, net	(10)	248
Loss on disposal or impairment of property and equipment	970	22
Contingent consideration liability remeasurement	459	0
Noncash lease expense	3,187
Other	177	178
(Increase) decrease in operating assets
Trade receivables, net	(12,829)	(14,179)
Income tax refund receivable	101	6,170
Prepaid expenses and other current assets	(1,321)	(1,904)
Other assets, net	(2,049)	101
Increase (decrease) in operating liabilities
Accounts payable and other accrued liabilities	2,333	3,841
Accrued payroll costs	1,298	2,403
Income taxes payable	753	5,387
Other long-term liabilities	(4,085)	448
Cash provided by operating activities	22,330	38,259
Cash flows from investing activities:
Capital expenditures	(4,184)	(3,116)
Equity method investment	(7,500)	0
Net proceeds from the sale of assets held for sale	122,696	0
Cash provided by (used in) investing activities	111,012	(3,116)
Cash flows from financing activities:
Proceeds from credit facility	80,100	334,600
Payments on credit facility	(86,900)	(350,523)
Payments on other financing arrangements	(875)	(1,054)
Repurchases of common stock	(51,546)	(12,129)
Cash dividends	(8,684)	(5,943)
Payment of contingent consideration liability	(477)	0
Other	(25)	0
Cash used in financing activities	(68,407)	(35,049)
Change in cash and cash equivalents	64,935	94
Cash and cash equivalents, beginning of period	112	379
Cash and cash equivalents, end of period	65,047	473
Cash Paid During the Period For:
Income taxes	8,447	4,343
Interest, net	788	2,199
Operating lease liabilities	4,025
Non-Cash Financing and Investing Transactions:
ROU assets obtained from new operating leases	1,355
Unsettled repurchases of common stock	1,183	0
Contingent contribution for equity method investment	1,500	0
Employee stock purchase plan	283	261
Equipment acquired under finance leases	192	424
Shares tendered in payment of exercise price of stock options	$ 0	46
Proceeds from income tax refunds		$ 6,800