Constellation Brands, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details Textual)

Derivative Instruments (Details Textual) $ in Millions	3 Months Ended		9 Months Ended
Derivative Instruments (Details Textual) $ in Millions	Nov. 30, 2016 USD ($)	Nov. 30, 2015 USD ($)	Nov. 30, 2016 USD ($)	Nov. 30, 2015 USD ($)	Nov. 30, 2016 CAD	Feb. 29, 2016 USD ($)
Derivative [Line Items]
Net gain (loss) on undesignated commodity derivative contracts	$ 0.6	$ (21.9)	$ (6.0)	$ (53.4)
Fair value of derivative instruments in a net liability position due to counterparties	98.3		98.3
Amount of net losses, net of income tax effect, to be reclassified from AOCI to earnings within the next 12 months			(26.6)
Foreign currency contracts [Member] \| Selling, general and administrative expenses [Member]
Derivative [Line Items]
Net gain (loss) on undesignated commodity derivative contracts	(6.1)	$ (3.8)	(20.4)	$ (18.9)
Not designated as hedging instrument [Member] \| Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments	1,440.2		1,440.2			$ 975.6
Not designated as hedging instrument [Member] \| Foreign currency contracts [Member] \| Prepaid expenses and other [Member]
Derivative [Line Items]
Foreign currency contracts	5.0		5.0			$ 4.8
Canadian Divestiture [Member] \| Foreign currency contracts [Member] \| Selling, general and administrative expenses [Member]
Derivative [Line Items]
Net gain (loss) on undesignated commodity derivative contracts	3.3
Canadian Divestiture [Member] \| Not designated as hedging instrument [Member] \| Foreign currency contracts [Member]
Derivative [Line Items]
Aggregate notional value of derivative instruments \| CAD					CAD 550,000,000
Canadian Divestiture [Member] \| Not designated as hedging instrument [Member] \| Foreign currency contracts [Member] \| Prepaid expenses and other [Member]
Derivative [Line Items]
Foreign currency contracts	$ 3.3		$ 3.3