Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Details)

v3.21.2
Valuation and Qualifying Accounts (Details) - USD ($)
$ in Millions
 12 Months Ended
May 31, 2021
May 31, 2020
May 31, 2019
Allowance for Expected Credit Losses [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance as of beginning of fiscal year $ 12.5 $ 7.5 $ 7.0
Additions charged to expenses 8.0 7.8 3.3
Additions to/(deductions from) other accounts [1] 3.0 0.7
Costs and deductions [2] 4.5 5.8 3.5
Balance as of end of fiscal year 16.0 12.5 7.5
Reserve for Client Fund Losses [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance as of beginning of fiscal year 2.7 2.4
Additions charged to expenses 3.5 5.2 3.7
Additions to/(deductions from) other accounts [1] (3.0)
Costs and deductions [2] 3.5 4.9 3.4
Balance as of end of fiscal year $ 2.7
[1] Amounts related to business acquisitions in fiscal 2019 and the reclassification of the reserve for client fund losses in fiscal 2020.
[2] Uncollectible amounts written off, net of recoveries, and other adjustments.