CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jul. 02, 2011		Jun. 30, 2012		Jul. 02, 2011
Net sales	$ 260,040	[1]	$ 210,855	[1]	$ 488,863	[1]	$ 393,427	[1]
Cost of sales	158,224		125,518		299,564		236,260
Gross profit	101,816		85,337		189,299		157,167
Selling and distribution expenses	28,274		21,569		53,449		42,137
General and administrative expenses	28,204		28,520		53,852		48,418
Income from operations	45,338	[1]	35,248	[1]	81,998	[1]	66,612	[1]
Net interest expense and deferred financing amortization, net	1,967		2,119		4,058		4,179
Other (income) expense, net	(380)		1,608		887		1,446
Earnings before income taxes	43,751		31,521		77,053		60,987
Provision for income taxes	12,706		11,893		23,913		23,534
Net earnings	31,045		19,628		53,140		37,453
Net earnings per share:
Basic (in usd per share)	$ 1.70		$ 1.09		$ 2.92		$ 2.08
Diluted (in usd per share)	$ 1.67		$ 1.06		$ 2.87		$ 2.02
Weighted average number of shares
Basic (in shares)	18,267		18,052		18,207		17,976
Dilutive common stock equivalents (in shares)	307	[2]	527	[2]	312	[2]	536	[2]
Diluted (in shares)	18,574		18,579		18,519		18,512
Comprehensive income	$ 23,592		$ 20,641		$ 51,686		$ 39,099

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.

[2] There were no anti-dilutive equity awards excluded from common stock equivalents for any period presented.