Income Taxes (Schedule Of Components Of Deferred Income Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009	Sep. 26, 2009
Income Taxes [Abstract]
U.S. and foreign net operating loss carryforwards	$ 379,610	$ 344,878
Deferred rent credit	101,679	107,673
Vacation pay and other accrued compensation	78,797	71,496
Accruals for facility closings	32,800	41,896
Inventory	13,562	17,165
Self-insurance accruals	20,640	20,622
Deferred revenue	5,893	10,764
State credit carryforwards, net of Federal benefit	13,643	12,739
Allowance for bad debts	2,911	9,005
Accrued rebates	7,978	14,591
Other items, net	46,713	65,768
Gross deferred tax assets	704,226	716,597
Valuation allowance	(621,719)	(648,869)	(657,000)	(321,600)
Deferred tax assets	82,507	67,728
Internal software	4,216	1,003
Basis difference in fixed assets	32,055	53,391
Deferred Subpart F income	10,791
Deferred tax liabilities	47,062	54,394
Net deferred tax assets	$ 35,445	$ 13,334