Quarterly report pursuant to Section 13 or 15(d)

Short-term Financing (Narrative) (Details)

v3.19.3
Short-term Financing (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 01, 2019
Jul. 31, 2019
Aug. 05, 2015
Aug. 31, 2019
Aug. 31, 2018
May 31, 2019
JP Morgan Chase Bank, N.A. [Member] | Paychex of New York, LLC [Member]            
Financing [Line Items]            
Maximum borrowing capacity [1],[2]       $ 1,000,000    
JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Paychex of New York, LLC [Member]            
Financing [Line Items]            
Maximum borrowing capacity [1],[2]       $ 1,000,000    
Expiration date [1],[2]       Jul. 31, 2024    
JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Paychex of New York, LLC [Member]            
Financing [Line Items]            
Expiration date [1],[2]       Jul. 31, 2019    
JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Paychex of New York, LLC [Member]            
Financing [Line Items]            
Maximum borrowing capacity [1],[2]       $ 500,000    
Expiration date [1],[2]       Aug. 17, 2022    
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | Paychex of New York, LLC [Member]            
Financing [Line Items]            
Term   5 years        
Maximum borrowing capacity   $ 1,000,000        
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | Paychex of New York, LLC [Member]            
Financing [Line Items]            
Term     5 years      
Maximum borrowing capacity     $ 1,000,000      
Expiration date     Jul. 31, 2019      
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member]            
Financing [Line Items]            
Amounts outstanding       $ 0   $ 0
Amount borrowed       $ 469,000 $ 394,500  
Number of days borrowed       6 days 6 days  
Weighted-average interest rate       5.33% 4.99%  
Weighted-average amount borrowed       $ 288,300 $ 216,300  
Revolving Credit Facility [Member] | JPM $1 Billion Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Four Overnight Basis [Member] | Subsequent Event [Member]            
Financing [Line Items]            
Weighted-average amount borrowed $ 444,500          
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member]            
Financing [Line Items]            
Amounts outstanding       0   0
Amount borrowed       $ 450,000 $ 223,000  
Number of days borrowed       10 days 4 days  
Weighted-average interest rate       3.27% 4.99%  
Weighted-average amount borrowed       $ 395,600 $ 133,400  
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Eight Days [Member]            
Financing [Line Items]            
Amount borrowed       $ 450,000    
Number of days borrowed       8 days    
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Eight Days [Member] | LIBOR [Member]            
Financing [Line Items]            
Weighted-average interest rate       3.00%    
Revolving Credit Facility [Member] | JPM $500 Million Credit Facility [Member] | JP Morgan Chase Bank, N.A. [Member] | Ten Days [Member]            
Financing [Line Items]            
Number of days borrowed 10 days          
Weighted-average amount borrowed $ 400,000          
Revolving Credit Facility [Member] | PNC $150 Million Credit Facility [Member] | PNC Bank, National Association [Member]            
Financing [Line Items]            
Amounts outstanding       $ 56,500   0
Amount borrowed       $ 56,600 $ 56,800  
Number of days borrowed       88 days 88 days  
Weighted-average interest rate       3.07% 2.53%  
Weighted-average amount borrowed       $ 54,800 $ 56,000  
Standby Letters of Credit [Member]            
Financing [Line Items]            
Maximum borrowing capacity       147,400   148,900
Amounts outstanding       $ 0 $ 0 $ 0
Minimum [Member] | Standby Letters of Credit [Member]            
Financing [Line Items]            
Expiration date       Nov. 30, 2019    
Maximum [Member] | Standby Letters of Credit [Member]            
Financing [Line Items]            
Expiration date       Aug. 24, 2020    
[1] Borrower is a wholly owned subsidiary of the Company.
[2] JPM acts as the administrative agent for this syndicated credit facility.