Quarterly report pursuant to Section 13 or 15(d)

Leases (Narrative) (Details)

v3.19.3
Leases (Narrative) (Details)
$ in Millions
3 Months Ended 12 Months Ended
Aug. 31, 2019
USD ($)
item
May 31, 2019
USD ($)
Lessee, Lease, Description [Line Items]    
Fixed payment operating lease expense $ 10.1 $ 42.9
Number of lease agreements, not yet commenced | item 3  
Lease payments, not yet commenced $ 13.7  
Minimum [Member]    
Lessee, Lease, Description [Line Items]    
Operating leases, remaining term of contract 1 year  
Operating leases, contractual term 2019  
Operating leases, renewal term 1 year  
Maximum [Member]    
Lessee, Lease, Description [Line Items]    
Operating leases, remaining term of contract 10 years  
Operating leases, contractual term 2029  
Operating leases, renewal term 5 years  
Lease not yet commenced, term of contract 9 years