Condensed Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 24, 2013	May 25, 2012
Statement of Other Comprehensive Income [Abstract]
Net income	$ 13.2	$ 13.2
Other comprehesive income (loss):
Unrealized gain on investments	0.2	0.1
Minimum pension liability	(1.0)	(1.5)
Foreign currency translation adjustments	(1.5)	(15.3)
Total other comprehensive loss, net	(2.3)	(16.7)
Comprehensive income (loss)	$ 10.9	$ (3.5)