Allocation of Plan Assets (Detail) - Europe	Dec. 26, 2015	Dec. 27, 2014
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	100.00%	100.00%
Cash
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets		1.00%
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	50.00%	53.00%
Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	50.00%	46.00%