Reconciliation of Effective Tax Rate (Detail)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Schedule Of Effective Tax Rates Line Items
U.S. federal statutory rate	35.00%	35.00%	35.00%
U.S. state and local taxes, net of federal benefit	(1.50%)	(2.40%)	2.90%
Foreign tax rate differential	77.30%	(15.10%)	(13.50%)
Tax credits	(34.80%)	(9.30%)	(3.80%)
Foreign withholding taxes	(17.50%)	1.50%	(0.10%)
Non-deductible expenses	45.50%	28.50%	0.20%
Change in valuation allowance	(62.40%)	(6.40%)	(13.00%)
Foreign exchange differences	(7.90%)	(22.40%)
Deferred Change	7.00%	(13.20%)
Tax Rate Changes	14.70%
Total	55.40%	(3.80%)	7.70%