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

Wine and Spirits Transformation (Details 1) - Operating Segments [Member] - Wine and Spirits [Member] $ in Millions	3 Months Ended
	May 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 61.2
Cost of product sold [Member] \| Inventory reserves [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	27.2
Cost of product sold [Member] \| Contract termination costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	15.8
Selling, general, and administrative expenses [Member] \| Employee termination costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	11.9
Selling, general, and administrative expenses [Member] \| Other costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 6.3