Schedule II Valuation and Qualifying Accounts (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Valuation and Qualifying Accounts [Roll Forward]
Balance at Beginning of Year	$ 31,400	$ 16,800	$ 14,900
Expense (Benefit)	57,800	23,300	19,500
Other Additions	0	0	0
Write-Offs and Other	(80,100)	(8,700)	(17,600)
Balance at End of Year	$ 9,100	$ 31,400	$ 16,800