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

Derivative Instruments (Details 1)

Derivative Instruments (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net (Loss) Gain Recognized in Income	$ (2.1)	$ (4.3)
Cost of product sold [Member] \| Commodity swap contracts [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net (Loss) Gain Recognized in Income	1.5
Interest expense, net [Member] \| Interest rate swap contracts [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net (Loss) Gain Recognized in Income	(0.2)	(0.5)
Selling, general and administrative expenses [Member] \| Foreign currency contracts [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Comprehensive Income
Net (Loss) Gain Recognized in Income	(3.4)	(3.8)	(1.9)
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)	7.1	(2.5)	(18.3)
Net Gain (Loss) Reclassified from AOCI to Income (Effective portion)	(4.0)	(3.1)	4.2
Net (Loss) Gain 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)	5.6	3.1	5.8
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)	2.2	0	3.1
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)	(0.7)	(6.3)	(27.2)
Cash flow hedging [Member] \| Commodity 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)		0.7
Cash flow hedging [Member] \| Sales [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) Reclassified from AOCI to Income (Effective portion)	3.5	2.4	6.4
Cash flow hedging [Member] \| Cost of product sold [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) Reclassified from AOCI to Income (Effective portion)	0.7	2.0	1.6
Cash flow hedging [Member] \| Cost of product sold [Member] \| Commodity 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) Reclassified from AOCI to Income (Effective portion)		0.5
Cash flow hedging [Member] \| Interest expense, net [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) Reclassified from AOCI to Income (Effective portion)	(8.2)	(8.0)	(3.8)
Cash flow hedging [Member] \| Selling, general and administrative expenses [Member] \| Commodity 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 (Loss) Gain Recognized in Income (Ineffective portion)	0.1
Cash flow hedging [Member] \| Selling, general and administrative expenses [Member] \| Foreign currency 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 (Loss) Gain Recognized in Income (Ineffective portion)	$ (0.3)	$ 0.3	$ 2.2