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Related-Party Transactions - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended 0 Months Ended
Mar. 28, 2015
Dec. 27, 2014
Dec. 26, 2015
Related Party Transaction [Line Items]      
Lease expiration date Dec. 31, 2017    
Total annual rental payments to the partnership under the lease arrangement   $ 1.5us-gaap_OperatingLeasesRentExpenseNet  
Scenario, Forecast [Member]      
Related Party Transaction [Line Items]      
Total annual rental payments to the partnership under the lease arrangement     $ 1.5us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember