Stock Options, Other Stock Awards and Warrants, Allocation of Recognized Period Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	$ 61,624	$ 53,880	$ 36,152
Income tax benefit	20,298	13,489	11,745
Allocated share-based compensation expense, net of tax	41,326	40,391	24,407
Cost of Sales [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	200	366	395
Product Development [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	3,248	3,527	3,874
Selling, Distribution and Administration [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	58,176	49,987	31,883
Restricted Stock Units (RSUs) [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	19,908	19,052	15,643
Stock Performance Awards [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	34,248	27,960	11,315
Stock Awards Non Employee [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	1,630	1,449	1,834
Employee Stock Options [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	5,838	5,419	7,473
Cash-settled Restricted Stock Units [Member]
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	$ 0	$ 0	$ (113)