Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Information (Unaudited) (Details)

v3.7.0.1
Selected Quarterly Financial Information (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2017
Nov. 30, 2016
Aug. 31, 2016
May 31, 2016
Feb. 29, 2016
Nov. 30, 2015
Aug. 31, 2015
May 31, 2015
Feb. 28, 2017
Feb. 29, 2016
Feb. 28, 2015
Summary of selected quarterly financial information                      
Net sales $ 1,628.0 $ 1,810.5 $ 2,021.2 $ 1,871.8 $ 1,543.2 $ 1,640.5 $ 1,733.4 $ 1,631.3 $ 7,331.5 $ 6,548.4 $ 6,028.0
Gross profit 787.7 891.4 969.0 881.3 696.1 733.5 775.6 737.1 3,529.4 2,942.3 2,578.6
Net income attributable to CBI 452.0 $ 405.9 $ 358.9 $ 318.3 $ 243.4 $ 270.5 $ 302.4 $ 238.6 1,535.1 1,054.9 839.3
Net income per common share attributable to CBI:                      
Gain on sale of business, net of income tax effect $ 196.1                    
Class A Common Stock [Member]                      
Summary of selected quarterly financial information                      
Net income attributable to CBI                 $ 1,370.1 $ 940.0 $ 745.6
Net income per common share attributable to CBI:                      
Net income per common share attributable to CBI, basic (in dollars per share) $ 2.34 $ 2.04 $ 1.81 $ 1.61 $ 1.23 $ 1.39 $ 1.56 $ 1.24 $ 7.79 $ 5.42 $ 4.40
Net income per common share attributable to CBI, diluted (in dollars per share) 2.26 1.98 1.75 1.55 1.19 1.33 1.49 1.18 $ 7.52 $ 5.18 $ 4.17
Class B Convertible Common Stock [Member]                      
Summary of selected quarterly financial information                      
Net income attributable to CBI                 $ 165.0 $ 114.9 $ 93.7
Net income per common share attributable to CBI:                      
Net income per common share attributable to CBI, basic (in dollars per share) 2.12 1.85 1.64 1.46 1.12 1.26 1.42 1.12 $ 7.07 $ 4.92 $ 4.00
Net income per common share attributable to CBI, diluted (in dollars per share) $ 2.09 $ 1.82 $ 1.61 $ 1.43 $ 1.10 $ 1.22 $ 1.38 $ 1.09 $ 6.93 $ 4.79 $ 3.83