CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 27, 2014		Sep. 28, 2013		Sep. 27, 2014		Sep. 28, 2013
Net sales	$ 404,289	[1]	$ 360,013	[1]	$ 1,201,543	[1]	$ 1,051,265	[1]
Cost of sales	241,909		218,575		730,013		651,985
Gross profit	162,380		141,438		471,530		399,280
Selling and distribution expenses	42,006		41,769		137,078		116,559
General and administrative expenses	40,428		32,181		122,834		112,713
Gain (Loss) Related to Litigation Settlement	(6,519)		0		(6,519)		0
Income from operations	86,465	[1]	67,488	[1]	218,137		170,008
Net interest expense and deferred financing amortization, net	3,895		4,249		12,051		11,729
Other (income) expense, net	993		1,394		2,053		1,998
Earnings before income taxes	81,577		61,845		204,033		156,281
Provision for income taxes	21,864		20,903		62,470		52,274
Net earnings	59,713		40,942		141,563		104,007
Net earnings per share:
Basic (in usd per share)	$ 1.05		$ 0.73		$ 2.50		$ 1.87
Diluted (in usd per share)	$ 1.05		$ 0.73		$ 2.50		$ 1.86
Weighted average number of shares
Basic (in shares)	56,866		56,179		56,729		55,706
Dilutive common stock equivalents (in shares)	2	[2]	48	[2]	2	[2]	260	[2]
Diluted (in shares)	56,868		56,227		56,731		55,966
Comprehensive income	$ 47,108		$ 47,123		$ 132,372		$ 103,375

[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.