Leases lease (Details) $ in Millions	12 Months Ended
	Feb. 28, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating Lease, Payments	$ 45.3
Operating Lease, Cost	51.9
Sublease Income	1.2
Operating Leases, Rent Expense, Net	50.7
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 103.6