Reportable Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 28, 2014	Nov. 22, 2013	Aug. 23, 2013	May 24, 2013	Feb. 22, 2013	Nov. 23, 2012	Aug. 24, 2012	May 25, 2012	Feb. 28, 2014		Feb. 22, 2013		Feb. 24, 2012
Segment Reporting Information [Line Items]
Revenue	$ 779.4	$ 784.8	$ 757.6	$ 667.1	$ 721.4	$ 727.2	$ 744.9	$ 675.2	$ 2,988.9		$ 2,868.7		$ 2,749.5
Operating income (loss)	54.2	39.3	52.0	20.4	(45.2)	38.4	46.8	19.3	165.9		59.3		97.1
Total assets	1,726.7				1,689.6				1,726.7		1,689.6		1,678.9
Capital expenditures									86.8		74.0		64.9
Depreciation and amortization									60.0		58.3		56.4
Long-lived assets	728.0				793.2				728.0		793.2		840.2
Customer concentration risk									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
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
Percent of revenue attributed to foreign countries									32.00%
Percent of long-lived assets attributed to foreign countries	17.00%								17.00%
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
Systems and storage [Member]
Segment Reporting Information [Line Items]
Revenue									1,354.8		1,358.7		1,306.1
Seating [Member]
Segment Reporting Information [Line Items]
Revenue									888.6		840.7		821.6
Other Product Category [Member]
Segment Reporting Information [Line Items]
Revenue									745.5	[1]	669.3	[1]	621.8	[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]
Revenue									2,020.3		1,881.3		1,751.0
Long-lived assets	603.2				666.1				603.2		666.1		688.7
Foreign locations [Member]
Segment Reporting Information [Line Items]
Revenue									968.6		987.4		998.5
Long-lived assets	124.8				127.1				124.8		127.1		151.5
Americas [Member]
Segment Reporting Information [Line Items]
Revenue									2,154.4		2,015.1		1,868.4
Operating income (loss)									247.4		168.3		122.8
Total assets	901.4				876.6				901.4		876.6		860.6
Capital expenditures									59.8		50.9		46.6
Depreciation and amortization									41.5		38.6		36.6
EMEA [Member]
Segment Reporting Information [Line Items]
Revenue									566.9		594.8		610.5
Operating income (loss)									(31.4)		(50.9)		(9.9)
Total assets	288.6				278.1				288.6		278.1		326.3
Capital expenditures									19.3		15.1		12.7
Depreciation and amortization									12.8		13.1		13.4
Other Segments [Member]
Segment Reporting Information [Line Items]
Revenue									267.6		258.8		270.6
Operating income (loss)									(8.7)		(20.1)		14.6
Total assets	159.9				155.9				159.9		155.9		179.0
Capital expenditures									7.7		7.9		4.4
Depreciation and amortization									5.7		6.1		6.1
Corporate [Member]
Segment Reporting Information [Line Items]
Revenue									0		0		0
Operating income (loss)									(41.4)		(38.0)		(30.4)
Total assets	376.8				379.0				376.8		379.0		313.0
Capital expenditures									0		0.1		1.2
Depreciation and amortization									$ 0		$ 0.5		$ 0.3

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