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Local 1199 Plan's Weighted-Average Asset Allocations (Detail)
Dec. 26, 2015
Dec. 27, 2014
Asset Category    
Defined Benefit Plan Weighted Average Asset Allocations 100.00% 100.00%
Equity Securities    
Asset Category    
Defined Benefit Plan Weighted Average Asset Allocations 67.00% 66.00%
Debt Securities    
Asset Category    
Defined Benefit Plan Weighted Average Asset Allocations 33.00% 34.00%