Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 25, 2016
Accrued Liabilities [Abstract]
Royalties	$ 148,858	$ 158,353
Advertising	75,483	73,963
Payroll and management incentives	79,976	100,248
Dividends	70,936	63,501
Other	373,011	379,974
Total Accrued Liabilities	$ 748,264	$ 776,039