Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1.0	$ 2,031.8	$ 21.4
Foreign currency translation adjustments	(40.4)	(56.0)	60.8
Unrealized gain (loss) on cash flow hedges	(27.8)	(20.9)	40.4
Pension/postretirement adjustments	0.3	(1.6)	(0.6)
Share of other comprehensive income (loss) of equity method investments	(12.5)	(1.8)	(10.1)
Other comprehensive income (loss)	(80.4)	(80.3)	90.5
Comprehensive income (loss)	(79.4)	1,951.5	111.9
Comprehensive (income) loss, attributable to noncontrolling interests	(38.2)	(22.7)	(36.1)
Comprehensive income (loss) attributable to CBI	$ (117.6)	$ 1,928.8	$ 75.8