XML 25 R24.htm IDEA: XBRL DOCUMENT v2.4.0.6

Basic and Diluted Earnings Per Share (Details Textuals) In Millions, unless otherwise specified	6 Months Ended
	Nov. 30, 2011	Nov. 30, 2010
Basic and Diluted Earnings Per Share (Textuals) [Abstract]
Common stock issued related to exercises or vesting of stock-based awards	0.3	0.2

X

- Details

Name:	payx_BasicAndDilutedEarningsPerShareTextualsAbstract
Namespace Prefix:	payx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References

No definition available.

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration