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Merger and Acquisitions - Intangible Assets Acquired (Detail)
$ in Thousands
12 Months Ended
Jan. 02, 2016
USD ($)
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]  
Intangible Assets $ 28,550
Customer lists [Member]  
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]  
Intangible Assets $ 5,100
Useful Life 7 years
Customer relationships [Member]  
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]  
Intangible Assets $ 12,100
Useful Life 20 years
Favorable leases [Member]  
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]  
Intangible Assets $ 4,650
Favorable leases [Member] | Minimum [Member]  
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]  
Useful Life 7 years
Favorable leases [Member] | Maximum [Member]  
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]  
Useful Life 22 years
Trade Name [Member]  
Acquired Finite And Indefinite-Lived Intangible Assets [Line Items]  
Intangible Assets $ 6,700
Useful Life Indefinite