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

Acquisitions, Divestitures, and Business Transformation - Wine and Spirits Optimization (Details) - Operating Segments - Wine and Spirits - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 63.4	$ 550.9
Cost of product sold \| Contract termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	20.9	20.1
Cost of product sold \| Loss on inventory write-downs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4.7	102.9
Selling, general, and administrative expenses \| Employee termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4.1	12.5
Selling, general, and administrative expenses \| Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	9.7	8.4
Impairment of assets held for sale \| Impairment of long-lived assets
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 24.0	$ 407.0