Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 67,751	$ 73,727
Accounts and notes receivable - Trade	60,385	66,593
Accounts and notes receivable - Other	1,542	1,934
Total accounts and notes receivable	61,927	68,527
Inventories	96,163	92,278
Prepaid income taxes	2,688	3,684
Other current assets	2,994	1,777
Total Current Assets	231,523	239,993
Property, Plant & Equipment - At Cost	131,816	129,530
Less Accumulated Depreciation	(83,490)	(81,412)
Property, Plant and Equipment, Net	48,326	48,118
Goodwill	43,825	43,825
Other intangibles - net	42,434	43,048
Investments	3,518	3,495
Other assets	1,450	1,415
TOTAL ASSETS	371,076	379,894
LIABILITIES AND STOCKHOLDERS' EQUITY
Current maturities of long-term debt	1,030	2,384
Accounts payable - trade	43,939	50,277
Deferred revenue	5,181	6,833
Accrued payroll and employee benefits	5,507	9,678
Current deferred tax liabilities	782	759
Other accrued liabilities	15,587	14,801
Total Current Liabilities	72,026	84,732
Long-Term Debt	44	51
Deferred Tax Liabilities	11,458	11,708
Other Long-Term Liabilities	13,164	13,588
STOCKHOLDERS' EQUITY:
Common stock, issued 10,114,135 shares at 3/31/2012 and 10,073,403 shares at 12/31/2011	111	111
Paid-in capital	46,100	47,349
Retained earnings	258,264	255,152
Treasury stock - at cost, Common stock, 1,001,644 shares at 3/31/2012 and 1,042,376 shares at 12/31/2011	(26,656)	(28,169)
Accumulated other comprehensive loss	(3,435)	(4,628)
Total Stockholders' Equity	274,384	269,815
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 371,076	$ 379,894