Revenue and Segment Disclosures Revenue Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024
Revenue Contract Balances [Line Items]
Short Term Deferred Commission	$ 8.1
Deferred revenue	(14.5)	$ (5.9)	$ 7.5
Accounts Receivable, after Allowance for Credit Loss, Current	156.0	173.7
Deferred revenue, current (note 13)	138.5	161.5
Deferred revenue, non-current	14.1	5.6
Accounts Receivable, Net, Noncurrent	46.6
Long-term Deferred Commission	6.2
Accounts Receivable [Member]
Revenue Contract Balances [Line Items]
Contract with Customer, Asset, Net	202.6	240.0
Increase in contract receivable	594.6
Decrease in contract asset	(632.0)
Increase Decrease In Contract with Customer, Asset, Net - Current and Non-Current	(37.4)
Deferred Revenue
Revenue Contract Balances [Line Items]
Deferred Revenue	152.6	167.1
Deferred Revenue, Additions	508.4
Decrease in deferred revenue due to payment, fulfillment of performance obligations, or other	(522.9)
Deferred revenue	(14.5)
Deferred commission
Revenue Contract Balances [Line Items]
Capitalized Contract Cost, Net	14.3	$ 14.6
Increase in deferred commission	17.7
Decrease in deferred commission	(18.0)
Net change in deferred commission	$ (0.3)

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