CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 04, 2015		Mar. 29, 2014
Net sales	$ 406,596	[1]	$ 372,478	[1]
Cost of sales	249,034		229,502
Gross profit	157,562		142,976
Selling and distribution expenses	47,109		46,970
General and administrative expenses	43,873		40,073
Income from operations	66,580		55,933
Net interest expense and deferred financing amortization, net	3,749		3,987
Other (income) expense, net	4,561		865
Earnings before income taxes	58,270		51,081
Provision for income taxes	20,039		17,636
Net earnings	38,231		33,445
Net earnings per share:
Basic (in usd per share)	$ 0.67		$ 0.59
Diluted (in usd per share)	$ 0.67		$ 0.59
Weighted average number of shares
Basic (in shares)	56,917		56,457
Dilutive common stock equivalents (in shares)	1		2
Diluted (in shares)	56,918		56,459
Comprehensive income	$ 22,082		$ 35,226

[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.