Restructuring (Details 1) - 2025 Restructuring Initiative $ in Millions	3 Months Ended	6 Months Ended
	Aug. 31, 2025 USD ($)	Aug. 31, 2025 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 8.3	$ 21.6
Restructuring and Related Cost, Cost Incurred to Date	$ 71.3	$ 71.3
Restructuring and related cost, Cost Incurred to Date, percentage	100.00%	100.00%
Consulting services
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	$ 24.3	$ 24.3
Restructuring and related cost, Cost Incurred to Date, percentage	34.00%	34.00%
Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	$ 0.1	$ 0.1
Restructuring and related cost, Cost Incurred to Date, percentage	0.00%	0.00%
Employee termination
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	$ 46.9	$ 46.9
Restructuring and related cost, Cost Incurred to Date, percentage	66.00%	66.00%
Selling, general, and administrative expenses | Consulting services
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 8.2	$ 21.5
Selling, general, and administrative expenses | Other costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0.1	$ 0.1