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Goodwill and Intangible Assets, Net (Gross Goodwill and Impairment - Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 31, 2013
Goodwill [Line Items]      
Goodwill, gross $ 1,085,497 $ 1,126,176 $ 1,136,754
Accumulated impairment losses (784,636) (784,636) (784,636)
Goodwill, impairment loss 0 0 0
U.S. Segment [Member]      
Goodwill [Line Items]      
Goodwill, gross 840,881 840,881 838,441
Accumulated impairment losses (668,170) (668,170) (668,170)
International Segment [Member]      
Goodwill [Line Items]      
Goodwill, gross 244,616 285,295 298,313
Accumulated impairment losses $ (116,466) $ (116,466) $ (116,466)