CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net income	$ 80,128	$ 47,083
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	42,499	31,206
Deferred income taxes	318	(3,549)
Loss from discontinued operations	408	771
Restructuring charges	817	3,664
Impairment charges (recoveries)	(29,098)	120
Gains on dispositions of property and other assets	465	126
Share-based compensation expense	9,484	4,709
Excess tax benefit from share-based compensation arrangements		(60)
Other non-cash items, net	3,603	4,644
Change in operating assets and liabilities (excluding the impact of acquisitions):
Receivables	(25,966)	(41,510)
Inventories	(6,839)	(12,903)
Accounts payable	18,998	38,522
Restructuring liabilities	(1,748)	(2,518)
Accrued compensation	(7,455)	(620)
Customer deposits	9,076	26,954
Income taxes payable	16,058	5,280
Other assets and liabilities, net	3,895	13,503
Net cash provided by operating activities	114,643	115,422
Cash flows from investing activities
Capital expenditures	(39,493)	(32,582)
Proceeds from insurance	31,570
Cash paid for acquired businesses, net	(1,661)	(145,735)
Proceeds from dispositions of property and other assets	734	774
Net cash used in investing activities	(8,850)	(177,543)
Cash flows from financing activities
Proceeds from borrowings	60,574	153,000
Payments on debt and capital lease obligations	(128,808)	(86,989)
Dividends paid on common stock	(6,119)	(6,079)
Debt issuance costs	(5)	(340)
Common stock purchased for treasury	(1,272)	(679)
Excess tax benefit from share-based compensation arrangements		60
Net cash provided by (used in) financing activities	(75,630)	58,973
Effect of exchange rate changes on cash and cash equivalents	2,418	(702)
Net change in cash and cash equivalents	32,581	(3,850)
Cash and cash equivalents, beginning of year	20,900	56,531
Cash and cash equivalents, end of period	$ 53,481	$ 52,681