CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES
Net Earnings	$ 5,324	$ 5,866
Adjustments to reconcile Net Earnings to Net Cash Used for Operating Activities:
Depreciation	4,464	4,391
Amortization	776	832
Deferred Income Taxes	(998)	2,071
Stock-Based Compensation Expense	1,690	1,299
Allowance for Doubtful Accounts and Returns	286	329
Other, Net	(25)	(6)
Changes in Operating Assets and Liabilities
Accounts Receivable	5,107	(3,943)
Inventories	(2,851)	(3,425)
Accounts Payable	(1,176)	5,199
Employee Compensation and Benefits	(10,310)	(9,436)
Other Current Liabilities	(3,056)	(4,999)
Income Taxes	3,477	(3,075)
Other Assets and Liabilities	(5,638)	(2,350)
Net Cash Used for Operating Activities	(2,930)	(7,247)
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(4,219)	(1,634)
Proceeds from Disposals of Property, Plant and Equipment	138	175
Net Cash Used for Investing Activities	(4,081)	(1,459)
FINANCING ACTIVITIES
Payment of Long-Term Debt	(967)	(934)
Issuance of Long-Term Debt	0	10,000
Purchases of Common Stock	(4,109)	0
Proceeds from Issuance of Common Stock	1,624	1,393
Tax Benefit on Stock Plans	612	377
Dividends Paid	(3,203)	(3,244)
Net Cash (Used for) Provided by Financing Activities	(6,043)	7,592
Effect of Exchange Rate Changes on Cash and Cash Equivalents	252	504
Net Decrease in Cash and Cash Equivalents	(12,802)	(610)
Cash and Cash Equivalents at Beginning of Period	52,339	39,529
Cash and Cash Equivalents at End of Period	39,537	38,919
Supplemental Disclosure of Cash Flow Information:
Cash Paid for Income Taxes	1,180	2,865
Cash Paid for Interest	675	365
Supplemental Non-cash Investing and Financing Activities:
Capital Expenditures Funded Through Capital Leases	309	542
Collateralized Borrowings	$ 86	$ 345