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Consolidated Balance Sheets Details (Details) - Restructuring - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Feb. 28, 2025	Feb. 29, 2024
Restructuring Cost and Reserve
Restructuring reserve	$ 8.6		$ 10.4	$ 21.1
Restructuring Charges	12.4	$ 14.7	26.1
Payments for Restructuring	14.2		36.8
Restructuring Reserve, Current	7.2
Restructuring Reserve, Noncurrent	$ 1.4
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	General and Administrative Expense
Employee Termination Benefits
Restructuring Cost and Reserve
Restructuring reserve	$ 5.7		7.1	16.8
Restructuring Charges	9.3		21.3
Payments for Restructuring	10.7		31.0
Restructuring Reserve, Current	5.7
Restructuring Reserve, Noncurrent	0.0
Facilities Costs
Restructuring Cost and Reserve
Restructuring reserve	2.9		3.3	$ 4.3
Restructuring Charges	3.1		4.8
Payments for Restructuring	3.5		$ 5.8
Restructuring Reserve, Current	1.5
Restructuring Reserve, Noncurrent	$ 1.4