CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net income	$ 10,968	$ 9,647	$ 10,392
Adjustments to reconcile net income to cash flows:
Depreciation and amortization	23,120	21,828	20,505
Increase in inventory reserve	1,637	1,719	4,196
Allowance for doubtful accounts	(103)	479	(191)
Stock based compensation included in net income	1,565	1,822	1,281
Deferred income tax provision	(721)	(1,165)	(287)
Restructuring charges	0	870	0
Equity in losses of partially-owned affiliate	1,621	286	0
Stock option modification	0	52	94
Foreign tax reserve	0	0	5,330
Other	390	245	(259)
Changes in assets and liabilities:
Trade receivables	2,066	(7,148)	5,930
Inventories	(3,523)	(4,925)	712
Prepaid expenses and other current assets	729	1,357	2,083
Accounts payable and other current liabilities	4,655	(938)	(13,038)
Other non-current assets and liabilities	(6,248)	(374)	(2,356)
Discontinued operations:
Adjustments to reconcile discontinued operations to cash flows	2,166	(471)	0
Net cash provided by operating activities	38,322	23,284	34,392
Cash flows from investing activities:
Capital expenditures	(15,008)	(12,637)	(12,587)
Acquisition of business and equity investment, net of cash acquired	(500)	(25,249)	0
Capital invested in partially-owned affiliate	0	(1,148)	0
Other investing activities	20	(18)	67
Net cash used in investing activities	(15,488)	(39,052)	(12,520)
Cash flows from financing activities:
Dividends and return of capital	0	0	(889)
Long-term debt activity (including current portion):
Borrowings	105,800	33,200	23,600
Repayments	(123,700)	(38,100)	(26,600)
Debt issuance costs	(1,541)	0	0
Proceeds from stock options exercised	145	0	9
Other financing activities	(340)	(54)	(48)
Net cash used in by financing activities	(19,636)	(4,954)	(3,928)
Effect of exchange rate changes on cash and cash equivalents	(891)	(2,029)	1,881
Net increase/(decrease) in cash and cash equivalents	2,307	(22,751)	19,825
Cash and cash equivalents at beginning of year	29,614	52,365	32,540
Cash and cash equivalents at end of year	31,921	29,614	52,365
Supplemental disclosure:
Interest paid, net of capitalized interest	2,258	4,328	4,906
Income taxes paid, net of refunds received	$ 8,520	$ 3,579	$ 6,882