Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net income	$ 41,427	$ 23,228
Loss from discontinued operations	0	(28)
Income from continuing operations	41,427	23,256
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	17,551	22,657
Stock compensation expense	4,666	2,675
Net gain on sale of assets	(225)	(7,903)
Loss on sale of business	8,763	0
Exit activity costs, non-cash	3,876	3,247
Provision for (benefit of) deferred income taxes	355	(724)
Other, net	(206)	117
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Accounts receivable	3,796	(28,085)
Inventories	9,738	7,562
Other current assets and other assets	(1,901)	(529)
Accounts payable	2,367	9,845
Accrued expenses and other non-current liabilities	11,038	12,370
Net cash provided by operating activities	101,245	44,488
Cash Flows from Investing Activities
Cash paid for acquisitions	(2,314)	(140,620)
Net proceeds from sale of property and equipment	249	26,392
Purchases of property, plant, and equipment	(7,600)	(6,822)
Net proceeds from sale of business	8,250	0
Other, net	1,118	1,154
Net cash used in investing activities	(297)	(119,896)
Cash Flows from Financing Activities
Payment of debt issuance costs	54	0
Purchase of treasury stock at market prices	(1,178)	(568)
Net proceeds from issuance of common stock	2,892	237
Excess tax benefit from stock compensation	941	0
Net cash provided by financing activities	2,201	10,269
Effect of exchange rate changes on cash	1,055	(2,140)
Net increase (decrease) in cash and cash equivalents	104,204	(67,279)
Cash and cash equivalents at beginning of year	68,858	110,610
Cash and cash equivalents at end of period	$ 173,062	$ 43,331