Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Nov. 30, 2019
Nov. 30, 2018
Feb. 28, 2019
Inventory Disclosure [Abstract]          
Raw materials and supplies $ 131.7   $ 131.7   $ 182.6
In-process inventories 832.5   832.5   1,480.5
Finished case goods 394.6   394.6   467.3
Inventories, Total 1,358.8   1,358.8   $ 2,130.4
Amounts purchased under related party arrangements $ 28.8 $ 48.7 $ 155.2 $ 172.4