Goodwill and Intangibles, Finite-Lived Intangible Assets by Major Class and Acquisitions (Details) - USD ($) $ in Thousands	Dec. 25, 2016	Dec. 27, 2015
Summary of Other Intangible Assets [Abstract]
Acquired product rights	$ 789,689	$ 789,781
Licensed rights of entertainment properties	256,555	256,555
Accumulated amortization	(876,033)	(841,267)
Amortizable intangible assets	170,211	205,069
Product rights with indefinite lives	75,738	75,738
Total other intangibles, net	245,949	$ 280,807
Intangible Assets, Future Amortization Expense By Year [Abstract]
2017	29,000
2018	17,000
2019	36,000
2020	40,000
2021	$ 18,000