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Fair Value Measurements - Additional Information (Detail)
$ in Thousands
4 Months Ended
Apr. 25, 2015
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]  
Impairment charges $ 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 5,600
Long-lived assets measured fair value on nonrecurring basis 3,200
Impairment charges $ 2,400