UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 9,106	$ 26,855
Adjustments to reconcile net income to cash provided by operating activities:
Deferred income tax provision, net	(126)	(18,314)
Provision for credit losses	2,229	349
Depreciation and amortization	1,393	1,972
Stock-based compensation expense	2,896	2,620
Defined benefit pension plan expense	211	216
Loss on deferred compensation plan investments, net	39	89
Loss on disposal or impairment of assets	15	801
Noncash lease expense	1,521	1,662
Loss on equity method investment	595	0
Other	87	973
(Increase) decrease in operating assets
Trade receivables, net	(20,176)	(7,377)
Other assets, net	(452)	(393)
Increase (decrease) in operating liabilities
Accrued payroll costs	2,129	380
Other liabilities	3,538	1,956
Cash provided by operating activities	3,005	11,789
Cash flows from investing activities:
Capital expenditures	(1,971)	(1,496)
Other	0	(1,000)
Cash used in investing activities	(1,971)	(2,496)
Cash flows from financing activities:
Proceeds from credit facility	35,000	78,300
Payments on credit facility	0	(67,600)
Payments on other financing arrangements	(328)	(540)
Repurchases of common stock	(19,470)	(14,875)
Cash dividend	(4,293)	(4,406)
Other	0	(25)
Cash provided by (used in) financing activities	10,909	(9,146)
Change in cash and cash equivalents	11,943	147
Cash and cash equivalents, beginning of period	19,831	112
Cash and cash equivalents, end of period	31,774	259
Cash Paid During the Period For:
Income taxes	399	184
Operating lease liabilities	1,987	1,836
Interest, net	541	627
Non-Cash Investing and Financing Transactions:
ROU assets obtained from new operating leases	924	817
Unsettled repurchases of common stock	910	369
Employee stock purchase plan	$ 142	$ 140