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Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 16, 2016
Jul. 16, 2016
Jul. 18, 2015
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Impairment charges $ 3,483 $ 3,483 $ 2,353
Fair Value Measurements Nonrecurring [Member] | Significant unobservable inputs (Level 3) [Member]      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Long-lived assets 4,000 4,000 5,600
Long-lived assets measured fair value on nonrecurring basis $ 500 500 3,200
Impairment charges   $ 3,500 $ 2,400