Annual report pursuant to Section 13 and 15(d)

Acquisitions, Divestitures, and Business Transformation (Details Textual)

v3.20.1
Acquisitions, Divestitures, and Business Transformation (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Feb. 29, 2020
Feb. 28, 2018
May 31, 2019
Business Acquisition [Line Items]      
Preexisting equity interest 20.00%    
Other Acquisitions [Member]      
Business Acquisition [Line Items]      
Purchase price, net of cash acquired   $ 149.8  
Operating Segments [Member] | ConstellationWinesAndSpirits [Member] | Nelson's Green Brier Acquisition [Member]      
Business Acquisition [Line Items]      
Equity interest     75.00%
Gain on remeasurement of equity interest $ 11.8    
Nelson's Green Brier Acquisition [Member]      
Business Acquisition [Line Items]      
Noncontrolling Interest, percentage     25.00%