Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Details)

v3.22.2
Valuation and Qualifying Accounts (Details) - Allowance for Credit Losses [Member] - USD ($)
 12 Months Ended
May 31, 2022
May 31, 2021
May 31, 2020
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance as of beginning of fiscal year $ 16.0 $ 12.5 $ 10.2
Additions charged to expenses 10.5 11.5 13.0
Costs and deductions [1] 8.3 8.0 10.7
Balance as of end of fiscal year $ 18.2 $ 16.0 $ 12.5
[1] Uncollectible amounts written off, net of recoveries, and other adjustments.