Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements Of Operations [Abstract]
Net sales	$ 476,881	$ 373,731	$ 1,357,768	$ 1,107,855
Cost of sales	295,349	219,598	812,697	651,360
Gross profit	181,532	154,133	545,071	456,495
Selling, general and administrative expenses	107,296	88,170	313,485	266,961
Restructuring expenses	2,931	3,524	2,931	6,422
Operating income	71,305	62,439	228,655	183,112
Other expense-net	441	1,101	1,001	608
Interest expense	7,763	4,162	20,937	11,195
Income before income taxes	63,101	57,176	206,717	171,309
Provision for income taxes	14,765	18,612	60,248	55,722
Net income	$ 48,336	$ 38,564	$ 146,469	$ 115,587
Basic earnings per common share	$ 0.58	$ 0.47	$ 1.77	$ 1.42
Diluted earnings per common share	$ 0.58	$ 0.47	$ 1.75	$ 1.40
Share data:
Basic weighted average common shares outstanding	82,402	80,517	81,994	80,322
Diluted weighted average common shares outstanding	83,586	81,938	83,533	81,749