Annual report pursuant to Section 13 and 15(d)

Derivative Instruments (Details Textual)

v3.19.1
Derivative Instruments (Details Textual)
$ in Millions
12 Months Ended
Feb. 28, 2019
USD ($)
Derivative [Line Items]  
Amount of net gains, net of income tax effect, to be reclassified from AOCI to earnings within the next 12 months $ 11.8
Fair value of derivative instruments in a net liability position due to counterparties $ 3.4
Designated as hedging instrument [Member] | Cash flow hedging [Member]  
Derivative [Line Items]  
Average maturity period for derivative instruments 3 years
Designated as hedging instrument [Member] | Cash flow hedging [Member] | Maximum [Member]  
Derivative [Line Items]  
Maximum maturity period for derivative instruments 5 years
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
Not designated as hedging instrument [Member] | Interest rate swap contracts [Member]  
Derivative [Line Items]  
Average maturity period for derivative instruments 6 months
Not designated as hedging instrument [Member] | Maximum [Member] | Commodity derivative contracts [Member]  
Derivative [Line Items]  
Maximum maturity period for derivative instruments 5 years