CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (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
Income Statement [Abstract]
Net sales	$ 798,936	$ 760,173	$ 2,024,645	$ 1,869,056
Cost of goods sold	477,730	450,524	1,196,237	1,096,100
Gross profit	321,206	309,649	828,408	772,956
Selling, general, and administrative expenses	221,939	229,264	638,349	609,639
Royalty income	(11,190)	(10,691)	(29,276)	(27,440)
Operating income	(110,457)	(91,076)	(219,335)	(190,757)
Interest expense	6,843	4,133	20,623	6,681
Interest income	(45)	(138)	(317)	(523)
Other expense (income), net	1,311	(55)	1,718	1,049
Income before income taxes	102,348	87,136	197,311	183,550
Provision for income taxes	36,462	30,565	71,232	65,891
Net income	$ 65,886	$ 56,571	$ 126,079	$ 117,659
Diluted net income per common share	$ 1.24	$ 0.98	$ 2.36	$ 2.00
Dividend declared and paid per common share	$ 1.23	$ 0.97	$ 2.34	$ 1.98
Dividend declared per common share	$ 0.19	$ 0.16	$ 0.57	$ 0.32
Dividend paid per common share	$ 0.19	$ 0.16	$ 0.57	$ 0.32