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Schedule II - Valuation and Qualifying Accounts and Reserves
12 Months Ended
May 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts and Reserves
Schedule II — Valuation and Qualifying Accounts and Reserves
(In thousands)Balance at
Beginning of Year

Additions (1)

Deductions (2)
Balance at
End of Year
Allowance for Doubtful Accounts    
May 31, 2018$20,525  $13,358  $373  $33,510  
May 31, 2019$33,510  $10,761  $6,462  $37,809  
May 31, 2020$37,809  $40,789  $16,431  $62,167  

(1)Represents amounts charged to expense to increase reserve for estimated future bad debts.
(2)Represents reductions in the balance sheet reserve due to the actual write-off of non-collectible accounts receivable. These amounts do not impact Cintas' consolidated income statement.