Derivative Instruments (Details) - USD ($) $ in Millions	May 31, 2016	Feb. 29, 2016
Designated as hedging instrument [Member] | Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	$ 847.4	$ 731.6
Designated as hedging instrument [Member] | Interest rate swap contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	700.0	600.0
Not designated as hedging instrument [Member] | Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	2,346.1	975.6
Not designated as hedging instrument [Member] | Interest rate swap contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	1,000.0	1,000.0
Not designated as hedging instrument [Member] | Commodity derivative contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	$ 186.9	$ 198.7