Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities:
Net income	$ 5,283	$ 6,798
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	8,409	8,874
Impairment of equipment held for sale	616	0
Provision for doubtful accounts and bad debt	3,200	1,985
Noncash amortization of debt financing costs	420	445
Pension plan contribution	(1,475)	(1,479)
Shared-based compensation expense	1,381	1,439
Loss on disposal of assets	164	157
Deferred income taxes	1,258	4,664
Noncash (gain) loss on forward currency exchange contracts	(467)	(42)
Change in other operating items:
Accounts receivable	9,610	(16,870)
Inventories	8,182	1,793
Accounts payable	(2,631)	17,991
Other operating activities, net	3,632	1,344
Net cash provided by operating activities	37,582	27,099
Cash Flows from Investing Activities:
Purchases of property, plant and equipment	(4,961)	(6,769)
Proceeds from disposal/sale of property, plant and equipment	0	60
Premium payments for life insurance	0	(44)
Net cash used in investing activities	(4,961)	(6,753)
Cash Flows from Financing Activities:
Effect of Foreign Currency Exchange Rate Changes on Cash	(430)	(1,840)
Net Increase in Cash	32,191	18,506
Cash:
Beginning of period	92,194	70,091
End of period	124,385	88,597
Supplemental Cash Flow Information:
Cash paid for interest	9,362	9,925
Cash paid for income taxes, net	779	891
Unpaid purchases of property and equipment included in accounts payable	$ 275	$ 898