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

Derivative Instruments (Details 1)

Derivative Instruments (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Operations
Net gain (loss) recognized in income	$ (0.8)	$ (1.0)	$ (1.8)	$ (3.6)
Cost of product sold [Member] \| Diesel fuel swap contracts [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Operations
Net gain (loss) recognized in income	1.1		1.1
Interest expense, net [Member] \| Interest rate swap contracts [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Operations
Net gain (loss) recognized in income	(0.1)	(0.1)	(0.1)	(0.5)
Selling, general and administrative expenses [Member] \| Diesel fuel swap contracts [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Operations
Net gain (loss) recognized in income	(1.6)
Selling, general and administrative expenses [Member] \| Foreign currency contracts [Member]
Effect of the Company's undesignated derivative instruments on its Consolidated Statements of Operations
Net gain (loss) recognized in income	(0.2)	(0.9)	(2.8)	(3.1)
Cash flow hedging [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) recognized in OCI (Effective portion)	0.7	2.1	1.3	(6.0)
Net gain (loss) reclassified from AOCI to income (Effective portion)	(1.0)	(1.2)	(3.3)	(2.2)
Net gain recognized in income (Ineffective portion)			0.4
Cash flow hedging [Member] \| Foreign currency contracts one [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) recognized in OCI (Effective portion)	1.5	1.3	1.3	0.3
Cash flow hedging [Member] \| Foreign currency contracts two [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) recognized in OCI (Effective portion)	2.7	1.5	0.9	(0.3)
Cash flow hedging [Member] \| Interest rate swap contracts [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) recognized in OCI (Effective portion)	(3.5)	(0.6)	(0.9)	(6.8)
Cash flow hedging [Member] \| Diesel fuel swap contracts [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) recognized in OCI (Effective portion)		(0.1)		0.8
Cash flow hedging [Member] \| Sales [Member] \| Foreign currency contracts one [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) reclassified from AOCI to income (Effective portion)	1.0	0.2	2.6	1.9
Cash flow hedging [Member] \| Cost of product sold [Member] \| Foreign currency contracts two [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) reclassified from AOCI to income (Effective portion)	0.1	0.3	0.3	1.7
Cash flow hedging [Member] \| Cost of product sold [Member] \| Diesel fuel swap contracts [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) reclassified from AOCI to income (Effective portion)		0.3		0.3
Cash flow hedging [Member] \| Interest expense, net [Member] \| Interest rate swap contracts [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain (loss) reclassified from AOCI to income (Effective portion)	(2.1)	(2.0)	(6.2)	(6.1)
Cash flow hedging [Member] \| Selling, general and administrative expenses [Member] \| Diesel fuel swap contracts [Member]
Effect of the Company's derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net 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 derivative instruments designated in cash flow hedging relationships on its Consolidated Statements of Operations and Other Comprehensive Income, net of income tax effect
Net gain recognized in income (Ineffective portion)	$ 0.1	$ 0	$ 0.3	$ 0.2