Constellation Brands, Inc. Annual report pursuant to Section 13 and 15(d)

Derivative Instruments (Details 2)

Derivative Instruments (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net Gain (Loss) Recognized in Income	$ (35.3)	$ (2.1)	$ (4.3)
Interest rate swap contracts [Member] \| Interest expense [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net Gain (Loss) Recognized in Income	(0.1)	(0.2)	(0.5)
Commodity derivative contracts [Member] \| Cost of product sold [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net Gain (Loss) Recognized in Income	(32.7)	1.5
Foreign currency contracts [Member] \| Selling, general and administrative expenses [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net Gain (Loss) Recognized in Income	(2.5)	(3.4)	(3.8)
Cash flow hedging [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Recognized in OCI (Effective portion)	(24.0)	7.1	(2.5)
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion)	(3.9)	(4.0)	(3.1)
Net Gain (Loss) Recognized in Income (Ineffective portion)		(0.2)
Cash flow hedging [Member] \| Foreign currency contracts one [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Recognized in OCI (Effective portion)	(19.3)	5.6	3.1
Cash flow hedging [Member] \| Foreign currency contracts one [Member] \| Sales [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion)	1.8	3.5	2.4
Cash flow hedging [Member] \| Foreign currency contracts two [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Recognized in OCI (Effective portion)	(3.6)	2.2	0
Cash flow hedging [Member] \| Foreign currency contracts two [Member] \| Cost of product sold [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion)	2.6	0.7	2.0
Cash flow hedging [Member] \| Interest rate swap contracts [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Recognized in OCI (Effective portion)	(1.1)	(0.7)	(6.3)
Cash flow hedging [Member] \| Interest rate swap contracts [Member] \| Interest expense [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion)	(8.3)	(8.2)	(8.0)
Cash flow hedging [Member] \| Commodity derivative contracts [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Recognized in OCI (Effective portion)			0.7
Cash flow hedging [Member] \| Commodity derivative contracts [Member] \| Cost of product sold [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion)			0.5
Cash flow hedging [Member] \| Commodity derivative contracts [Member] \| Selling, general and administrative expenses [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Recognized in Income (Ineffective portion)		0.1
Cash flow hedging [Member] \| Foreign currency contracts [Member] \| Selling, general and administrative expenses [Member]
Effect of the Company's designated cash flow hedge derivative instruments on its Consolidated Statements of Comprehensive Income, net of income tax effect
Net Gain (Loss) Recognized in Income (Ineffective portion)	$ 0.1	$ (0.3)	$ 0.3