Quarterly report pursuant to Section 13 or 15(d)

Supplemental Information (Narrative) (Details)

v3.22.1
Supplemental Information (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 17, 2021
Feb. 28, 2022
Feb. 28, 2021
Aug. 31, 2020
Feb. 28, 2022
Feb. 28, 2021
May 31, 2021
Amortization of operating lease right-of-use assets       $ 24.4      
Loss on disposal       $ 5.1      
Depreciation expense   $ 34.9 $ 30.4   $ 98.1 $ 92.1  
Amortization expense   13.5 16.0   44.6 52.5  
Impairment loss relates to goodwill or intangible assets         0.0 0.0  
Revolving Credit Facility [Member]              
Unused amount available   $ 2,000.0     $ 2,000.0    
Weighted-average interest rate   1.28%     1.28%   1.16%
Standby Letters of Credit [Member]              
Maximum borrowing capacity   $ 139.7     $ 139.7   $ 180.4
Amounts outstanding   $ 0.0 $ 0.0   $ 0.0 $ 0.0 $ 0.0
Standby Letters of Credit [Member] | Minimum [Member]              
Expiration date         Apr. 01, 2022    
Standby Letters of Credit [Member] | Maximum [Member]              
Expiration date         Feb. 05, 2023    
JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Revolving Credit Facility [Member]              
Maximum borrowing capacity $ 1,000.0            
JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Revolving Credit Facility [Member]              
Maximum borrowing capacity 500.0            
JPM $750 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Revolving Credit Facility [Member]              
Maximum borrowing capacity $ 750.0            
Expiration date Sep. 17, 2026