Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (31.1)	$ 1,765.2	$ (38.5)
Foreign currency translation adjustments	(818.7)	293.1	274.6
Unrealized gain (loss) on cash flow hedges	(256.6)	70.0	188.6
Pension/postretirement adjustments	2.2	1.2	0.1
Share of other comprehensive income (loss) of equity method investments	(10.6)	0.0	5.1
Other comprehensive income (loss)	(1,083.7)	364.3	468.4
Comprehensive income (loss)	(1,114.8)	2,129.5	429.9
Comprehensive (income) loss attributable to noncontrolling interests	(6.1)	(53.8)	(59.7)
Comprehensive income (loss) attributable to CBI	$ (1,120.9)	$ 2,075.7	$ 370.2