CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2012		Oct. 01, 2011		Sep. 29, 2012		Oct. 01, 2011
Net sales	$ 257,699	[1]	$ 218,720	[1]	$ 746,562	[1]	$ 612,147	[1]
Cost of sales	157,254		131,402		456,818		367,662
Gross profit	100,445		87,318		289,744		244,485
Selling and distribution expenses	25,965		24,555		79,414		66,692
General and administrative expenses	27,051		25,577		80,903		73,995
Income from operations	47,429	[1]	37,186	[1]	129,427	[1]	103,798	[1]
Net interest expense and deferred financing amortization, net	2,988		2,324		7,046		6,503
Other (income) expense, net	2,765		(424)		3,652		1,022
Earnings before income taxes	41,676		35,286		118,729		96,273
Provision for income taxes	11,907		11,825		35,820		35,359
Net earnings	29,769		23,461		82,909		60,914
Net earnings per share:
Basic (in usd per share)	$ 1.63		$ 1.30		$ 4.55		$ 3.38
Diluted (in usd per share)	$ 1.60		$ 1.26		$ 4.47		$ 3.29
Weighted average number of shares
Basic (in shares)	18,296		18,040		18,237		17,998
Dilutive common stock equivalents (in shares)	284	[2]	540	[2]	302	[2]	537	[2]
Diluted (in shares)	18,580		18,580		18,539		18,535
Comprehensive income	$ 35,956		$ 11,881		$ 87,642		$ 50,980

[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.