Annual report pursuant to Section 13 and 15(d)

Derivative Instruments (Details Textual)

v3.7.0.1
Derivative Instruments (Details Textual)
$ in Millions
12 Months Ended
Feb. 28, 2017
USD ($)
Derivative [Line Items]  
Amount of net losses, net of income tax effect, to be reclassified from AOCI to earnings within the next 12 months $ (17.1)
Fair value of derivative instruments in a net liability position due to counterparties $ 61.4
Not designated as hedging instrument [Member] | Foreign currency contracts [Member]  
Derivative [Line Items]  
Average maturity period for derivative instruments 12 months
Not designated as hedging instrument [Member] | Commodity derivative contracts [Member]  
Derivative [Line Items]  
Average maturity period for derivative instruments 36 months
Cash flow hedging [Member] | Designated as hedging instrument [Member]  
Derivative [Line Items]  
Average maturity period for derivative instruments 3 years
Maximum [Member] | Not designated as hedging instrument [Member] | Commodity derivative contracts [Member]  
Derivative [Line Items]  
Derivative, Remaining Maturity 5 years
Maximum [Member] | Cash flow hedging [Member] | Designated as hedging instrument [Member]  
Derivative [Line Items]  
Derivative, Remaining Maturity 5 years