Quarterly report pursuant to Section 13 or 15(d)

Supplemental Information (Narrative) (Details)

v3.21.4
Supplemental Information (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 17, 2021
Nov. 30, 2021
Nov. 30, 2020
Aug. 31, 2020
Nov. 30, 2021
Nov. 30, 2020
May 31, 2021
Goodwill   $ 1,832.3     $ 1,832.3   $ 1,820.7
Amortization of operating lease right-of-use assets       $ 24.4      
Loss on disposal       $ 5.1      
Depreciation expense   32.5 $ 30.4   63.2 $ 61.7  
Amortization expense   16.1 18.2   31.1 36.5  
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   1.19%     1.19%   1.16%
Standby Letters of Credit [Member]              
Maximum borrowing capacity   $ 149.7     $ 149.7   $ 180.4
Amounts outstanding   $ 0.0 $ 0.0   $ 0.0 $ 0.0 $ 0.0
Standby Letters of Credit [Member] | Minimum [Member]              
Expiration date         Dec. 23, 2021    
Standby Letters of Credit [Member] | Maximum [Member]              
Expiration date         Dec. 05, 2022    
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