CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2014		Mar. 30, 2013
Net sales	$ 372,478	[1]	$ 327,451	[1]
Cost of sales	229,502		206,183
Gross profit	142,976		121,268
Selling and distribution expenses	46,970		36,152
General and administrative expenses	40,073		42,921
Income from operations	55,933		42,195
Net interest expense and deferred financing amortization, net	3,987		3,434
Other (income) expense, net	865		213
Earnings before income taxes	51,081		38,548
Provision for income taxes	17,636		12,646
Net earnings	33,445		25,902
Net earnings per share:
Basic (in usd per share)	$ 1.78		$ 1.41
Diluted (in usd per share)	$ 1.78		$ 1.39
Weighted average number of shares
Basic (in shares)	18,819		18,395
Dilutive common stock equivalents (in shares)	1	[2]	223	[2]
Diluted (in shares)	18,820		18,618
Comprehensive income	$ 35,226		$ 21,078

[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.