Consolidated Statement of Cash Flows Statement - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities:
Net Income	$ 60,220	$ 66,590
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisition impact:
Loss on dispositions of assets	70	70
Depreciation	19,950	18,630
Amortization of intangible assets	14,920	14,600
Amortization of debt issue costs	850	1,020
Deferred income taxes	5,620	9,290
Non-cash compensation expense	4,130	4,400
Increase in receivables	(14,510)	(20,060)
(Increase) decrease in inventories	2,330	(10,750)
(Increase) decrease in prepaid expenses and other assets	(3,710)	7,180
Decrease in accounts payable and accrued liabilities	(25,920)	(6,740)
Other operating activities	150	(1,140)
Net cash provided by operating activities, net of acquisition impact	64,100	83,090
Cash Flows from Investing Activities:
Capital expenditures	(23,370)	(15,890)
Acquisition of businesses, net of cash acquired	(67,090)	0
Net proceeds from disposition of property and equipment	30	250
Net cash used for investing activities	(90,430)	(15,640)
Cash Flows from Financing Activities:
Proceeds from borrowings on revolving credit facilities	145,540	59,060
Repayments of borrowings on revolving credit facilities	(145,090)	(68,490)
Shares surrendered upon exercise and vesting of equity awards to cover taxes	(3,240)	(2,380)
Payments to purchase common stock	(21,090)	(3,590)
Net cash used for financing activities	(23,880)	(15,400)
Increase (decrease) for the period	(50,210)	52,050
At beginning of period	108,150	27,580
At end of period	57,940	79,630
Supplemental disclosure of cash flow information:
Cash paid for interest	6,570	7,840
Cash paid for taxes	$ 18,810	$ 5,020