Segment Information (Operations By Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended													12 Months Ended
	Dec. 31, 2011		Sep. 24, 2011	Jun. 25, 2011		Mar. 26, 2011	Dec. 25, 2010		Sep. 25, 2010	Jun. 26, 2010		Mar. 27, 2010		Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Segment Reporting Information [Line Items]
Sales	$ 1,835,800	[1]	$ 1,774,800	$ 1,647,600	[2]	$ 1,863,000	$ 1,766,200	[3]	$ 1,813,400	$ 1,653,200	[4]	$ 1,911,700	[5]	$ 7,121,167	$ 7,150,007	$ 7,212,050
Segment income														118,213	160,522	62,887
Asset impairments														(11,197)	(10,979)	(17,612)
Other operating expenses, net														(20,530)	(3,077)	(49,263)
Operating income (loss)	12,600	[1]	41,300	4,000	[2]	28,600	28,100	[3]	40,900	28,100	[4]	49,400	[5]	86,486	146,466	(3,988)
Contract [Member]
Segment Reporting Information [Line Items]
Sales														3,624,077	3,634,244	3,656,685
Segment income														77,681	94,342	58,022
Other operating expenses, net														(13,984)	(60)	(15,269)
Operating income (loss)														63,697	94,282	42,753
Retail [Member]
Segment Reporting Information [Line Items]
Sales														3,497,090	3,515,763	3,555,365
Segment income														75,293	103,903	44,906
Asset impairments														(11,197)	(10,979)	(17,612)
Other operating expenses, net														(5,858)	(12,505)	(33,303)
Operating income (loss)														58,238	80,419	(6,009)
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Segment income														(34,761)	(37,723)	(40,041)
Other operating expenses, net														(688)	9,488	(691)
Operating income (loss)														$ (35,449)	$ (28,235)	$ (40,732)

[1] Includes an $11.2 million non-cash pre-tax charge to impair fixed assets associated with our Retail stores in the U.S. and $6.6 million of pre-tax charges for severance primarily related to Contract and Retail reorganizations.

[2] Includes a $5.6 million pre-tax charge related to Retail store closures in the U.S., and $8.3 million of pre-tax charges for severance related to Contract and Retail reorganizations.

[3] Includes an $11.0 million non-cash pre-tax charge to impair fixed assets associated with our Retail stores in the U.S., $2.8 million of pre-tax income related to the adjustment of previously established reserves for severance and store closures and a $5.5 million of pre-tax income related to the adjustment of a reserve associated with our legacy building materials manufacturing facility near Elma, Washington.

[4] Includes a $1.1 million pre-tax charge related to Retail store closures in the U.S., and a $3.9 million of pre-tax income related to the adjustment of a reserve associated with our legacy building materials manufacturing facility near Elma, Washington.

[5] Includes a $13.4 million pre-tax charge related to Retail store closures in the U.S., and a $0.8 million pre-tax charge for severance related to Contract reorganizations.