Schedule II Valuation and Qualifying Accounts (Details) (Allowance for Doubtful Accounts [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts [Roll Forward]
Balance at Beginning of Year	$ 31,200	$ 32,800	$ 32,400
Expense (Benefit)	(200)	3,500	3,970
Other Additions	0	0	0
Write-Offs and Other	(7,300)	(5,100)	(3,570)
Balance at End of Year	$ 23,700	$ 31,200	$ 32,800