Consolidated Statement of Cash Flows Statement - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows from Operating Activities:
Net Income	$ 13,120	$ 19,090
Income from discontinued operations	0	4,540
Income from continuing operations	13,120	14,550
Adjustments to reconcile income to net cash provided by operating activities, net of acquisition impact:
Loss on dispositions of assets	50	10
Depreciation	6,660	5,690
Amortization of intangible assets	4,850	4,630
Amortization of debt issue costs	290	280
Deferred income taxes	2,570	2,210
Non-cash compensation expense	1,940	1,320
Increase in receivables	(10,610)	(4,530)
Increase in inventories	(110)	(420)
Increase in prepaid expenses and other assets	(110)	(860)
Decrease in accounts payable and accrued liabilities	(14,780)	(7,980)
Other operating activities	(470)	150
Net cash provided by operating activities of continuing operations	3,400	15,050
Net cash used for operating activities of discontinued operations	0	(6,970)
Net cash provided by operating activities, net of acquisition impact	3,400	8,080
Cash Flows from Investing Activities:
Capital expenditures	(3,930)	(6,230)
Acquisition of businesses, net of cash acquired	(84,270)	(22,270)
Net proceeds from disposition of business, property and equipment	1,880	0
Net cash used for investing activities of continuing operations	(86,320)	(28,500)
Net cash used for investing activities of discontinued operations	0	(410)
Net cash used for investing activities	(86,320)	(28,910)
Cash Flows from Financing Activities:
Proceeds from borrowings on revolving credit facilities	198,290	26,250
Repayments of borrowings on revolving credit facilities	(48,330)	(25,870)
Shares surrendered upon exercise and vesting of equity awards to cover taxes	(1,830)	(2,620)
Payments to purchase common stock	(31,570)	(670)
Net cash provided by (used for) financing activities of continuing operations	116,560	(2,910)
Net cash provided by financing activities of discontinued operations	0	0
Net cash provided by (used for) financing activities	116,560	(2,910)
Increase (decrease) for the period	33,640	(23,740)
At beginning of period	172,470	108,150
At end of period	206,110	84,410
Supplemental disclosure of cash flow information:
Cash paid for interest	370	300
Cash paid for taxes	$ 1,850	$ 1,870