Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
OPERATING ACTIVITIES
Net Earnings (Loss)	$ 32,713	$ 34,803	$ (26,241)
Adjustments to reconcile Net Earnings (Loss) to Net Cash Provided by Operating Activities:
Depreciation	18,088	18,026	19,632
Amortization	3,330	3,166	3,171
Impairment of Intangibles	2,058	0	0
Goodwill Impairment Charge	0	0	43,363
Deferred Income Taxes	(1,352)	(11,412)	(1,433)
Stock-Based Compensation Expense	5,407	4,639	2,291
ESOP Income	0	0	426
Tax Benefit on ESOP	0	0	6
Allowance for Doubtful Accounts and Returns	1,879	1,403	1,253
Other, Net	508	503	(77)
Changes in Operating Assets and Liabilities, Excluding the Impact of Acquisitions:
Accounts Receivable	(4,451)	(7,931)	1,889
Inventories	(7,665)	(4,391)	10,476
Accounts Payable	4,612	(1,445)	16,409
Employee Compensation and Benefits	1,177	1,162	4,015
Other Current Liabilities	1,711	6,058	(5,288)
Income Taxes	1,668	(1,716)	4,320
Other Assets and Liabilities	(2,774)	(335)	973
Net Cash Provided by Operating Activities	56,909	42,530	75,185
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(13,902)	(10,529)	(11,483)
Proceeds from Disposals of Property, Plant and Equipment	601	595	311
Acquisition of Businesses, Net of Cash Acquired	(2,917)	(86)	(2,162)
Increase in Restricted Cash	(3,279)	0	0
Net Cash Used for Investing Activities	(19,497)	(10,020)	(13,334)
FINANCING ACTIVITIES
Change in Short-Term Borrowings, Net	0	(7)	3
Payments of Long-Term Debt	(19,272)	(4,192)	(67,212)
Issuance of Long-Term Debt	20,000	0	82
Purchases of Common Stock	(17,603)	(3,153)	0
Proceeds from Issuances of Common Stock	4,214	6,467	914
Tax Benefit on Stock Plans	1,266	1,724	114
Dividends Paid	(12,852)	(11,181)	(9,861)
Principal Payment from ESOP	0	0	1,892
Net Cash (Used for) Provided by Financing Activities	(24,247)	(10,342)	(74,068)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(355)	(701)	994
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	12,810	21,467	(11,223)
Cash and Cash Equivalents at Beginning of Year	39,529	18,062	29,285
CASH AND CASH EQUIVALENTS AT END OF YEAR	52,339	39,529	18,062
Cash Paid (Received) During the Year for:
Income Taxes	13,158	13,908	(4,319)
Interest	2,059	1,559	2,779
Supplemental Non-Cash Investing and Financing Activities:
Capital Expenditures Funded Through Capital Leases	2,893	2,398	5,784
Capital Expenditures in Accounts Payable	1,979	363	805
Collateralized Borrowings	127	471	1,342
Notes Payable Related to water Star, Inc Acquisition	$ 1,500	$ 0	$ 0