Annual report pursuant to Section 13 and 15(d)

Service Revenue (Summary of Changes in Deferred Costs to Obtain and Fulfill Contracts) (Details)

v3.24.2
Service Revenue (Summary of Changes in Deferred Costs to Obtain and Fulfill Contracts) (Details) - USD ($)
$ in Millions
 12 Months Ended
May 31, 2024
May 31, 2023
May 31, 2022
Capitalized Contract Cost [Line Items]      
Amortization $ 231.7 $ 219.1 [1] $ 202.1 [1]
Costs To Fulfill Contracts [Member]      
Capitalized Contract Cost [Line Items]      
Balance, beginning of period 75.3 72.3  
Capitalization of costs 27.8 28.9  
Amortization (26.5) (25.9)  
Balance, end of period 76.6 75.3 72.3
Costs To Obtain Contracts [Member]      
Capitalized Contract Cost [Line Items]      
Balance, beginning of period 597.5 550.2  
Capitalization of costs 217.1 240.5  
Amortization (205.2) (193.2)  
Balance, end of period $ 609.4 $ 597.5 $ 550.2
[1] The consolidated statement of cash flows for the fiscal years ended May 31, 2023 and May 31, 2022 include revisions to previously reported amounts related to the presentation of cash flows associated with short-term receivables purchased from the Company’s clients under non-recourse arrangements, net of funding reserves. See Note A for further discussion on the revision.