Valuation And Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Dec. 26, 2010
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at End of Year	$ 13,242	$ 12,627
Balance at End of Year	104,514	102,148
Allowance For Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	12,627	10,927	14,826
Additions Through Acquisition	0	435	0
Charged to Costs and Expenses	3,024	3,272	98
Deductions (Write-Offs and Recoveries, net)	(603)	(2,007)	(3,997)
Adjustment for Discontinued Operations	(1,806)	0	0
Balance at End of Year	13,242	12,627	10,927
Deferred Tax Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Year	102,148	37,808	32,739
Additions Through Acquisition	0	193	0
Allowance Recorded on Current Year Losses	2,083	16,463	5,069
Change in Valuation Allowance	283	47,684	0
Balance at End of Year	$ 104,514	$ 102,148	$ 37,808