Schedule II - Valuation and Qualifying Accounts [Schedule] Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Accounts Receivable Allowances [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		$ 13,485	$ 12,860	$ 14,252
Additions charged to operating costs and other		17,154	13,999	11,384
Deductions	[1]	13,824	13,374	12,776
Balance at end of period		16,815	13,485	12,860
Valuation Allowance for Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		36,204	41,136	42,295
Additions charged to operating costs and other		0	0	0
Deductions	[1]	36,204	4,932	1,159
Balance at end of period		$ 0	$ 36,204	$ 41,136

[1] Includes write-offs, net of recoveries.