CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands		3 Months Ended				6 Months Ended
		Jul. 04, 2015		Jun. 28, 2014		Jul. 04, 2015	Jun. 28, 2014
Net sales	[1]	$ 436,291		$ 424,776		$ 842,887	$ 797,254
Cost of sales		263,402		258,602		512,436	488,104
Gross profit		172,889		166,174		330,451	309,150
Selling and distribution expenses		45,332		48,102		92,441	95,072
General and administrative expenses		44,197		42,333		88,070	82,406
Income from operations		83,360	[1]	75,739	[1]	149,940	131,672
Net interest expense and deferred financing amortization, net		4,048		4,169		7,797	8,156
Other (income) expense, net		(366)		195		4,195	1,060
Earnings before income taxes		79,678		71,375		137,948	122,456
Provision for income taxes		25,411		22,970		45,450	40,606
Net earnings		$ 54,267		$ 48,405		$ 92,498	$ 81,850
Net earnings per share:
Basic (in usd per share)		$ 0.95		$ 0.85		$ 1.62	$ 1.44
Diluted (in usd per share)		$ 0.95		$ 0.85		$ 1.62	$ 1.44
Weighted average number of shares
Basic (in shares)		56,963		56,866		56,940	56,661
Dilutive common stock equivalents (in shares)		2	[2]	1	[2]	1	1
Diluted (in shares)		56,965		56,867		56,941	56,662
Comprehensive income		$ 61,149		$ 50,038		$ 83,231	$ 85,264

[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.