Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	May 27, 2016	May 29, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss	$ (39.6)
Other comprehensive income (loss) before reclassifications	3.7
Amounts reclassified from accumulated other comprehensive income (loss)	(1.3)
Total other comprehensive loss, net	2.4	$ (4.7)
Accumulated other comprehensive loss	(37.2)
Unrealized gain (loss) on investments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss	0.6
Other comprehensive income (loss) before reclassifications	(0.1)
Total other comprehensive loss, net	(0.1)
Accumulated other comprehensive loss	0.5
Pension and other post-retirement liability adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss	10.7
Other comprehensive income (loss) before reclassifications	(0.6)
Amounts reclassified from accumulated other comprehensive income (loss)	(1.3)
Total other comprehensive loss, net	(1.9)
Accumulated other comprehensive loss	8.8
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive loss	(50.9)
Other comprehensive income (loss) before reclassifications	4.4
Amounts reclassified from accumulated other comprehensive income (loss)	0.0
Total other comprehensive loss, net	4.4
Accumulated other comprehensive loss	$ (46.5)