Stock Options, Other Stock Awards and Warrants, Allocation of Recognized Period Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Allocation of total compensation expense related to stock options, restricted stock units and Stock Performance Awards [Abstract]
Allocated share-based compensation (income) expense	$ 27,892	$ 56,032	$ 61,624
Income tax benefit	2,832	9,574	20,298
Allocated share-based compensation expense, net of tax	25,060	46,458	41,326
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	0	0	200
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	3,466	3,312	3,248
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	24,426	52,720	58,176
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	17,897	20,573	19,908
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	842	27,522	34,248
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	1,760	1,595	1,630
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	7,393	6,342	5,838
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	$ 0