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	$ 23,472	$ 29,236
Adjustments to reconcile net income to net cash flows:
Depreciation	16,235	16,232
Amortization of intangible assets	6,384	6,437
Amortization of deferred financing costs	590	689
Gain on foreign currency, net	(130)	(128)
Accretion of debt discount, net	2,970	2,740
Loss on disposal / impairment of fixed assets	582	856
Stock based compensation	3,370	3,231
Changes in assets and liabilities:
Trade receivables	(10,461)	(1,552)
Inventories	(837)	2,367
Accounts payable and accrued liabilities	3,226	7,106
Other current assets and liabilities	728	(2,609)
Other operating assets and liabilities	765	(1,060)
Net cash provided by operating activities	46,894	63,545
Cash flows from investing activities
Purchase of property, plant and equipment	(15,684)	(19,181)
Proceeds from sale of land		1,201
Net cash used in investing activities	(15,684)	(17,980)
Cash flows from financing activities
Payments on term loan facility	0	(16,027)
Payments on Revolving Credit Facility	(30,870)	(9,000)
Dividend payments	(7,784)	(7,130)
Proceeds from equipment and working capital notes	2,893	1,100
Borrowing under Revolving Credit Facility	3,000	6,000
Payments of equipment and working capital notes	(2,832)	(3,639)
Proceeds from mortgages and other debt	0	7,085
Shares surrendered for tax withholding	(1,288)	(1,182)
Payments on mortgages and other debt	(349)	(352)
Purchase of non-controlling interest	0	(878)
Purchases of common stock under share repurchase program	(4,713)	(14,285)
Net cash used in financing activities	(41,943)	(38,308)
Effect of exchange rate changes on cash and cash equivalents	178	(5,111)
Net change in cash and cash equivalents	(10,555)	2,146
Cash and cash equivalents at beginning of year	50,320	47,503
Cash and cash equivalents at end of period	39,765	49,649
Cash paid during the period for:
Interest	5,856	5,995
Income taxes	$ 7,665	$ 10,833