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Related Party Transactions (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2016
Jan. 01, 2016
Dec. 26, 2014
Related Party Transaction [Line Items]      
Receivables from related parties $ 0.3 $ 0.7  
Contributions from (distributions to) noncontrolling interests (0.2) (1.8) $ 5.0
Due to related party 22.9 23.0  
Chairman and Chief Executive Officer      
Related Party Transaction [Line Items]      
Related Party Transactions, air transportation services expense $ 2.9 $ 2.5 $ 2.7