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Leases - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 31, 2019
Aug. 31, 2019
Mar. 01, 2019
Lessee, Lease, Description [Line Items]      
Operating lease assets $ 34,429 $ 34,429  
Present value of lease liability 45,625 45,625 $ 47,223
Operating lease expense $ 1,700 $ 3,300  
Accounting Standards Update 2016-02      
Lessee, Lease, Description [Line Items]      
Operating lease assets     37,100
Present value of lease liability     $ 47,200
Minimum      
Lessee, Lease, Description [Line Items]      
Remaining lease terms   1 year  
Maximum      
Lessee, Lease, Description [Line Items]      
Remaining lease terms   14 years