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Debt Obligations - Additional Information (Detail) - 2013 Credit Facility
Feb. 08, 2013
USD ($)
Sep. 26, 2015
USD ($)
Mar. 28, 2015
USD ($)
Senior Unsecured Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity (up to) $ 200,000,000    
Expiration date Feb. 08, 2018    
Adjusted leverage ratio (no greater than) 3.5    
Rent multiplier for leverage ratio 8    
Fixed charge coverage ratio 2    
Annual facility fee $ 100,000    
Borrowings outstanding   $ 0 $ 0
Amount available for future borrowings   189,000,000  
Senior Unsecured Revolving Credit Facility | Minimum      
Line of Credit Facility [Line Items]      
Interest rate margin 1.25%    
Annual commitment fee percentage on unused portion 0.25%    
Senior Unsecured Revolving Credit Facility | Maximum      
Line of Credit Facility [Line Items]      
Interest rate margin 1.75%    
Annual commitment fee percentage on unused portion 0.35%    
Senior Unsecured Revolving Credit Facility | Europe      
Line of Credit Facility [Line Items]      
Maximum borrowing capacity (up to) $ 100,000,000    
Stand-by Letters of Credit      
Line of Credit Facility [Line Items]      
Letter of credit outstanding   $ 11,000,000