Restructuring (Details 2) - 2025 Restructuring Initiative $ in Millions	6 Months Ended
	Aug. 31, 2025 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	$ 49.7
Restructuring costs	21.6
Cash payments	(42.5)
Restructuring Reserve, Ending Balance	28.8
Employee termination
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	46.9
Restructuring costs	0.0
Cash payments	(28.8)
Restructuring Reserve, Ending Balance	18.1
Consulting services
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	2.8
Restructuring costs	21.5
Cash payments	(13.7)
Restructuring Reserve, Ending Balance	10.6
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning Balance	0.0
Restructuring costs	0.1
Cash payments	0.0
Restructuring Reserve, Ending Balance	$ 0.1