CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 29, 2013		Jun. 30, 2012		Jun. 29, 2013		Jun. 30, 2012
Net sales	$ 363,801	[1]	$ 260,040	[1]	$ 691,252	[1]	$ 488,863	[1]
Cost of sales	227,227		158,224		433,410		299,564
Gross profit	136,574		101,816		257,842		189,299
Selling and distribution expenses	38,638		28,274		74,790		53,449
General and administrative expenses	37,611		28,204		80,532		53,852
Income from operations	60,325	[1]	45,338	[1]	102,520		81,998
Net interest expense and deferred financing amortization, net	4,046		1,967		7,480		4,058
Other (income) expense, net	391		(380)		604		887
Earnings before income taxes	55,888		43,751		94,436		77,053
Provision for income taxes	18,725		12,706		31,371		23,913
Net earnings	37,163		31,045		63,065		53,140
Net earnings per share:
Basic (in usd per share)	$ 2.00		$ 1.70		$ 3.41		$ 2.92
Diluted (in usd per share)	$ 2.00		$ 1.67		$ 3.39		$ 2.87
Weighted average number of shares
Basic (in shares)	18,585,000		18,267,000		18,490,000		18,207,000
Dilutive common stock equivalents (in shares)	30,000	[2]	307,000	[2]	127,000	[2]	312,000	[2]
Diluted (in shares)	18,615,000		18,574,000		18,617,000		18,519,000
Comprehensive income	$ 35,174		$ 23,592		$ 56,252		$ 51,686

[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.