Paychex, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Supplemental Information (Narrative) (Details)

Supplemental Information (Narrative) (Details)				3 Months Ended		9 Months Ended
Supplemental Information (Narrative) (Details)	Mar. 25, 2026 USD ($)	Jan. 23, 2026 USD ($)	Jan. 22, 2026 USD ($)	Feb. 28, 2026 USD ($) Agreement	Feb. 28, 2025 USD ($)	Feb. 28, 2026 USD ($) Agreement	Feb. 28, 2025 USD ($)	Jan. 07, 2026 USD ($)	May 31, 2025 USD ($)	Apr. 14, 2025 USD ($)	Jan. 31, 2025 USD ($)
Supplemental Information [Line Items]
Number of lease agreement, not yet commenced \| Agreement				1		1
Lease not yet commenced, term of contract				7 years 6 months 29 days		7 years 6 months 29 days
Lease payments, not yet commenced				$ 14,500,000		$ 14,500,000
Depreciation expense				36,200,000	$ 30,300,000	105,500,000	$ 86,800,000
Amortization expense				74,800,000	12,800,000	223,900,000	37,000,000
Impairment loss relates to goodwill or intangible assets						0	0
Goodwill				4,526,600,000		4,526,600,000			$ 4,514,100,000
Senior Notes, Series A [Member] \| Senior Notes [Member] \| Subsequent Event [Member]
Supplemental Information [Line Items]
Repayment of long-term private placement debt	$ 400,000,000
Maturity date	Mar. 13, 2026
Paycor HCM, Inc [Member]
Supplemental Information [Line Items]
Goodwill				3,400,000		3,400,000				$ 2,591,100,000
Write-down of building						4,900,000
Net of deferred taxes				1,900,000		1,900,000
Change in deferred tax liability						3,900,000
JP Morgan Chase Bank, N.A. [Member] \| Interest Rate Swaption [Member]
Supplemental Information [Line Items]
Aggregate notional amount											$ 3,000,000,000
Swaption contract assets, premium paid											$ 19,200,000
Revolving Credit Facility [Member]
Supplemental Information [Line Items]
Weighted-average interest rate									3.87%
Unused amount available				2,000,000,000		2,000,000,000
Revolving Credit Facility [Member] \| PNC Bank, National Association [Member]
Supplemental Information [Line Items]
Maximum borrowing capacity		$ 250,000,000
Term of unsecured line of credit facility		3 years
Outstanding loans				0		0
Standby Letters of Credit [Member]
Supplemental Information [Line Items]
Maximum borrowing capacity				179,100,000		179,100,000			$ 165,000,000
Amounts outstanding				$ 0	$ 0	$ 0	$ 0		$ 0
Standby Letters of Credit [Member] \| Minimum [Member]
Supplemental Information [Line Items]
Expiration date of credit facility						Mar. 03, 2026
Standby Letters of Credit [Member] \| Maximum [Member]
Supplemental Information [Line Items]
Expiration date of credit facility						Feb. 28, 2027
Bridge Loan Facility [Member] \| JP Morgan Chase Bank, N.A. [Member]
Supplemental Information [Line Items]
Maximum borrowing capacity								$ 3,500,000,000
Debt financing fees, including structuring and commitment fees						$ 11,400,000
2017 Credit Facility [Member] \| Paychex of New York LLC [Member]
Supplemental Information [Line Items]
Maximum borrowing capacity		$ 1,000,000,000	$ 750,000,000
Expiration date of credit facility		Jan. 23, 2031	Sep. 17, 2026
Term of unsecured line of credit facility			5 years
2019 Credit Facility [Member] \| JP Morgan Chase Bank, N.A. [Member]
Supplemental Information [Line Items]
Maximum borrowing capacity		$ 1,000,000,000
Term of unsecured line of credit facility		5 years