Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements of Operations [Abstract]
Net sales	$ 566,342	$ 499,980	$ 1,089,477	$ 953,609
Cost of sales	396,419	342,185	755,951	661,214
Gross profit	169,923	157,795	333,526	292,395
Selling, general and administrative	99,166	103,931	203,267	192,410
Earnings from operations	70,757	53,864	130,259	99,985
Interest expense, net	(7,959)	(8,902)	(15,724)	(17,273)
Other (expense) income, net	(717)	935	(1,702)	1,065
Earnings from continuing operations before income taxes	62,081	45,897	112,833	83,777
Income tax provision	18,624	13,703	33,850	25,268
Net earnings from continuing operations	43,457	32,194	78,983	58,509
Earnings from discontinued operations, net		1,407		3,044
Net earnings	$ 43,457	$ 33,601	$ 78,983	$ 61,553
Basic earnings per share:
Continuing operations	$ 0.84	$ 0.62	$ 1.53	$ 1.13
Discontinued operations		$ 0.03		$ 0.05
Net earnings	$ 0.84	$ 0.65	$ 1.53	$ 1.18
Diluted earnings per share:
Continuing operations	$ 0.82	$ 0.61	$ 1.49	$ 1.10
Discontinued operations		$ 0.02		$ 0.06
Net earnings	$ 0.82	$ 0.63	$ 1.49	$ 1.16
Average shares outstanding:
Basic	51,950	51,965	51,734	51,989
Diluted	53,289	53,041	53,096	53,039