Income Taxes (Details 3) - USD ($) $ in Millions	Feb. 28, 2019	Feb. 28, 2018
Deferred tax assets
Intangible assets	$ 1,616.7	$ 0.0
Loss carryforwards	147.8	106.0
Stock-based compensation	33.4	29.1
Inventory	20.3	18.3
Other accruals	93.4	81.1
Gross deferred tax assets	1,911.6	234.5
Valuation allowances	(86.9)	(112.1)
Deferred tax assets, net	1,824.7	122.4
Deferred tax liabilities
Intangible assets	0.0	(499.8)
Property, plant and equipment	(191.5)	(197.8)
Investments in unconsolidated investees	(448.9)	(78.2)
Provision for unremitted earnings	(22.8)	(21.2)
Derivative instruments	(7.9)	(19.8)
Total deferred tax liabilities	(671.1)	(816.8)
Deferred tax assets (liabilities), net	$ 1,153.6	$ (694.4)