Goodwill and Intangible Assets, Net (Gross Goodwill and Impairment - Table) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 25, 2017	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Goodwill [Line Items]
Goodwill, gross				$ 1,074,519,000	$ 1,081,507,000	$ 1,096,314,000
Accumulated impairment losses				(786,080,000)	(786,080,000)	(786,080,000)
Goodwill, impairment loss	$ 0	$ 0	$ 0
U.S. segment [Member]
Goodwill [Line Items]
Goodwill, gross				838,827,000	838,827,000	838,937,000
Accumulated impairment losses				(668,170,000)	(668,170,000)	(668,170,000)
International segment [Member]
Goodwill [Line Items]
Goodwill, gross				235,692,000	242,680,000	257,377,000
Accumulated impairment losses				$ (117,910,000)	$ (117,910,000)	$ (117,910,000)