Reportable Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 22, 2013	Nov. 23, 2012	Aug. 24, 2012	May 25, 2012	Feb. 24, 2012	Nov. 25, 2011	Aug. 26, 2011	May 27, 2011	Feb. 22, 2013		Feb. 24, 2012		Feb. 25, 2011
Segment Reporting Information [Line Items]
Revenues									$ 2,868.7		$ 2,749.5		$ 2,437.1
Operating income (loss)	(45.2)	38.4	46.8	19.3	18.5	38.2	25.4	15.0	59.3		97.1		51.5
Total assets	1,689.6				1,678.9				1,689.6		1,678.9		1,974.4
Capital expenditures									74.0		64.9		46.0
Depreciation and amortization									58.3		56.4		64.4
Long-lived assets	793.2				840.2				793.2		840.2		828.3
Customer concentration risk									No single customer represented more than 5% of consolidated revenue.		No single customer represented more than 5% of consolidated revenue.		No single customer represented more than 5% of consolidated revenue.
Description of percent of revenue attributible to individual foreign countries									No country other than the U.S. represented greater than 10% of our consolidated revenue		No country other than the U.S. represented greater than 10% of our consolidated revenue		No country other than the U.S. represented greater than 10% of our consolidated revenue
Description of percent of long-lived assets attributible to individual foreign countries									No country other than the U.S. represented greater than 10% of our consolidated long-lived assets		No country other than the U.S. represented greater than 10% of our consolidated long-lived assets		No country other than the U.S. represented greater than 10% of our consolidated long-lived assets
Percent of revenue attributed to foreign countries									34.00%
Percent of long-lived assets attributed to foreign countries	16.00%								16.00%
Product concentration risk									No other individual product category represented greater than 10% of consolidated revenue		No other individual product category represented greater than 10% of consolidated revenue		No other individual product category represented greater than 10% of consolidated revenue
Systems and storage [Member]
Segment Reporting Information [Line Items]
Revenues									1,358.7		1,306.1		1,036.6
Seating [Member]
Segment Reporting Information [Line Items]
Revenues									840.7		821.6		678.9
Other Product Category [Member]
Segment Reporting Information [Line Items]
Revenues									669.3	[1]	621.8	[1]	721.6	[1]
Western Europe [Member]
Segment Reporting Information [Line Items]
Percent of revenue attributed to foreign countries									83.00%
United States [Member]
Segment Reporting Information [Line Items]
Revenues									1,881.3		1,751.0		1,518.5
Long-lived assets	666.1				688.7				666.1		688.7		665.9
Foreign locations [Member]
Segment Reporting Information [Line Items]
Revenues									987.4		998.5		918.6
Long-lived assets	127.1				151.5				127.1		151.5		162.4
Americas [Member]
Segment Reporting Information [Line Items]
Revenues									2,015.1		1,868.4		1,536.0
Operating income (loss)									168.3		122.8		67.5
Total assets	876.6				860.6				876.6		860.6		793.5
Capital expenditures									50.9		46.6		28.4
Depreciation and amortization									38.6		36.6		38.7
EMEA [Member]
Segment Reporting Information [Line Items]
Revenues									594.8		610.5		555.8
Operating income (loss)									(50.9)		(9.9)		(18.9)
Total assets	278.1				326.3				278.1		326.3		353.4
Capital expenditures									15.1		12.7		10.3
Depreciation and amortization									13.1		13.4		16.2
Other category [Member]
Segment Reporting Information [Line Items]
Revenues									258.8		270.6		345.3
Operating income (loss)									(20.1)		14.6		17.0
Total assets	155.9				179.0				155.9		179.0		189.3
Capital expenditures									7.9		4.4		5.9
Depreciation and amortization									6.1		6.1		9.1
Corporate [Member]
Segment Reporting Information [Line Items]
Revenues									0		0		0
Operating income (loss)									(38.0)		(30.4)		(14.1)
Total assets	379.0				313.0				379.0		313.0		638.2
Capital expenditures									0.1		1.2		1.4
Depreciation and amortization									$ 0.5		$ 0.3		$ 0.4

[1] Other consists primarily of consolidated dealers, textiles and surface materials and other uncategorized product lines, and services, none of which are individually greater than 10% of consolidated revenue.