Quarterly report pursuant to Section 13 or 15(d)

Supplemental Information (Narrative) (Details)

v3.22.4
Supplemental Information (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Nov. 30, 2022
Nov. 30, 2021
May 31, 2022
Depreciation expense $ 31.7 $ 32.5 $ 63.1 $ 63.2  
Amortization expense 12.6 16.1 25.2 31.1  
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 4.97%   4.97%   2.34%
Standby Letters of Credit [Member]          
Maximum borrowing capacity $ 141.5   $ 141.5   $ 140.2
Amounts outstanding $ 0.0 $ 0.0 $ 0.0 $ 0.0 $ 0.0
Standby Letters of Credit [Member] | Minimum [Member]          
Expiration date     Dec. 05, 2022    
Standby Letters of Credit [Member] | Maximum [Member]          
Expiration date     Nov. 22, 2023