Income Taxes - Other Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Income Tax Disclosure [Abstract]
Income tax benefits related to exercise or vesting of equity awards	$ 1,600	$ 2,100	$ 1,000
Accumulated other comprehensive loss	370,000	280,000
Total amount of unrecognized tax benefit	31,000	36,000
Total amount of accrued interest and penalties	16,000	18,000
Net benefit of accrued interest and penalties	1,400	6,300	4,400
Total amount of unrecognized tax benefit which may be recognized in the next twelve months that would impact the effective tax rate	$ 19,000