Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities:
Net income	$ 6,431	$ 9,352
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	12,571	13,296
Impairment of equipment held for sale	616	0
Provision for doubtful accounts and bad debt	4,318	2,606
Noncash amortization of debt financing costs	630	668
Shared-based compensation expense	1,862	2,194
Loss on disposal of assets	17	191
Deferred income taxes	(563)	7,379
Noncash loss on forward currency exchange contracts	208	560
Change in other operating items:
Accounts receivable	20,125	(7,321)
Inventories	7,329	2,365
Accounts payable	(6,670)	13,120
Other operating activities, net	3,335	7,986
Net cash provided by operating activities	50,209	52,396
Cash Flows from Investing Activities:
Purchases of property, plant and equipment	(7,546)	(10,261)
Proceeds from disposal/sale of property, plant and equipment	55	60
Premium payments for life insurance	0	132
Proceeds from settlement of corporate-owned insurance policies	2,489	0
Net cash used in investing activities	(5,002)	(10,069)
Effect of Foreign Currency Exchange Rate Changes on Cash	(337)	(2,269)
Net Increase in Cash	44,870	40,058
Cash:
Beginning of period	92,194	70,091
End of period	137,064	110,149
Supplemental Cash Flow Information:
Cash paid for interest	9,396	9,962
Cash paid for income taxes, net	918	934
Unpaid purchases of property and equipment included in accounts payable	$ 157	$ 777