Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 65,246	$ 50,196
Accounts receivable, less allowance for doubtful accounts and customer credits of $57,717 and $53,311, respectively	125,580	124,324
Inventories	137,294	115,845
Deferred income taxes	18,020	17,127
Prepaids and other current assets	3,010	2,661
Total current assets	349,150	310,153
Property, plant and equipment, net	44,403	38,904
Goodwill	26,553	26,553
Other assets	1,070	1,083
Total	421,176	376,693
Current Liabilities:
Accounts payable	46,510	31,646
Accrued compensation	6,239	9,339
Other accrued liabilities	2,697	3,568
Total current liabilities	55,446	44,553
Other long-term liabilities	2,918	3,406
Deferred income taxes	11,640	11,631
Commitments and contingencies
Shareholders' Equity:
Common stock, par value $0.01; authorized 50,000,000 shares; issued and outstanding 36,404,262 and 36,156,522, respectively	364	362
Additional paid-in capital	39,141	36,860
Cumulative translation adjustments		2,810
Retained earnings	311,667	277,071
Total shareholders' equity	351,172	317,103
Total	$ 421,176	$ 376,693