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Network
2417402 - Disclosure - Valuation and Qualifying Accounts (Details)
(http://www.paychex.com/role/ValuationAndQualifyingAccountsDetails)
TableValuation and Qualifying Accounts Disclosure [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000723531 (http://www.sec.gov/CIK)
Valuation and Qualifying Accounts Disclosure [Line Items]Period [Axis]
2012-06-01 - 2013-05-31
2011-06-01 - 2012-05-31
2010-06-01 - 2011-05-31
Valuation Allowances and Reserves Type [Axis]Valuation Allowances and Reserves Type [Axis]Valuation Allowances and Reserves Type [Axis]
Allowance for Doubtful Accounts [Member]Reserve For Client Fund Losses [Member]Allowance for Doubtful Accounts [Member]Reserve For Client Fund Losses [Member]Allowance for Doubtful Accounts [Member]Reserve For Client Fund Losses [Member]
Balance as of beginning of fiscal year
1,200,000  
2,100,000  
2,100,000  
3,100,000  
1,900,000  
2,600,000  
Additions charged to expenses
1,700,000  
2,700,000  
1,200,000  
2,300,000  
1,800,000  
1,900,000  
(Deductions from)/ additions to other accounts
0  
0  
0  
(700,000) 
400,000  
1,300,000  
Costs and deductions
1,900,000  
2,400,000  
2,100,000  
2,600,000  
2,000,000  
2,700,000  
Balance as of end of fiscal year
1,000,000  
 
2,400,000  
 
1,200,000  
 
2,100,000  
 
2,100,000  
 
3,100,000