CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income	$ 46,259	$ 21,847	$ 19,155
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of business	(18,647)	0	0
Depreciation and amortization	17,275	17,646	12,703
Inventory step-up amortization	0	2,053	0
Long-lived asset impairment charge	1,354	0	0
Deferred income taxes	3,585	(1,477)	969
Stock based compensation	2,827	2,787	1,763
Pension settlement charge	0	4,914	0
Loss on disposition of property, plant and equipment	288	241	359
Accounts receivable	(2,749)	(7,189)	(4,101)
Inventories	479	4,539	(3,046)
Taxes receivable	276	(4,129)	(640)
Prepaid expenses and other assets	(1,337)	(2,318)	161
Accounts payable	(4,886)	1,167	(59)
Accrued payroll and other compensation	(3,416)	3,299	(121)
Benefit plan liabilities	(4,778)	(3,563)	(684)
Other, net	(420)	1,811	3,821
Net cash provided by operating activities	36,110	41,628	30,280
Cash flows from investing activities:
Business acquisitions, net of cash acquired	0	(79,407)	0
Capital expenditures	(20,645)	(13,971)	(13,826)
Proceeds from sale of business, net	28,550	0	0
Acquisition earn out payments	0	(111)	(160)
Net cash provided by (used for) investing activities	7,905	(93,489)	(13,986)
Cash flows from financing activities:
Proceeds from borrowings	0	60,000	0
Debt repayments	(20,571)	(20,646)	(768)
Common stock issued	1,521	2,457	1,497
Common stock repurchased	(8,701)	(748)	(6,617)
Excess tax benefit on stock awards	1,044	1,486	271
Net cash (used for) provided by financing activities	(26,707)	42,549	(5,617)
Effect of exchange rate changes on cash	(3,450)	(4,044)	1,107
Increase (Decrease) in cash and cash equivalents	13,858	(13,356)	11,784
Cash and cash equivalents at beginning of period	62,051	75,407	63,623
Cash and cash equivalents at end of period	75,909	62,051	75,407
Cash paid during the year for:
Interest	632	875	214
Income taxes	$ 20,180	$ 14,679	$ 7,227