Reportable Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 24, 2012	Aug. 26, 2011	Aug. 24, 2012	Aug. 26, 2011	Feb. 24, 2012
Segment Reporting Information [Line Items]
Revenue	$ 744.9	$ 700.5	$ 1,420.1	$ 1,339.9
Operating income (loss)	46.8	25.4	66.1	40.4
Total assets	1,699.1		1,699.1		1,688.5
Americas [Member]
Segment Reporting Information [Line Items]
Revenue	531.9	485.7	1,006.5	894.2
Operating income (loss)	60.7	42.8	98.4	63.9
Total assets	878.7		878.7		845.8
EMEA [Member]
Segment Reporting Information [Line Items]
Revenue	138.6	133.8	266.1	287.7
Operating income (loss)	(3.4)	(13.8)	(11.4)	(13.9)
Total assets	326.4		326.4		323.5
Other category [Member]
Segment Reporting Information [Line Items]
Revenue	74.4	81.0	147.5	158.0
Operating income (loss)	(2.1)	0.9	(5.5)	3.5
Total assets	202.5		202.5		206.2
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(8.4)	(4.5)	(15.4)	(13.1)
Total assets	$ 291.5		$ 291.5		$ 313.0