Fair Value Measurements (Details) - EBP 006 - USD ($)	Dec. 31, 2025	Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]
Cash	$ 0	$ 602,041
Investments at fair value	4,143,019,079	3,790,941,972
Total assets at fair value	4,143,019,079	3,791,544,013
Interest-bearing cash
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	21,270,550	22,290,701
Cintas Corporation common stock
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	1,595,831,272	1,647,839,447
Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	1,025,877,122	896,154,669
Common collective trusts
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	1,500,040,135	1,224,657,155
Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Cash	0	602,041
Total assets at fair value	4,143,019,079	3,791,544,013
Level 1 \| Interest-bearing cash
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	21,270,550	22,290,701
Level 1 \| Cintas Corporation common stock
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	1,595,831,272	1,647,839,447
Level 1 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	1,025,877,122	896,154,669
Level 1 \| Common collective trusts
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	1,500,040,135	1,224,657,155
Level 2
EBP, Investment, Fair Value and NAV [Line Items]
Cash	0	0
Total assets at fair value	0	0
Level 2 \| Interest-bearing cash
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	0	0
Level 2 \| Cintas Corporation common stock
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	0	0
Level 2 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	0	0
Level 2 \| Common collective trusts
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	0	0
Level 3
EBP, Investment, Fair Value and NAV [Line Items]
Cash	0	0
Total assets at fair value	0	0
Level 3 \| Interest-bearing cash
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	0	0
Level 3 \| Cintas Corporation common stock
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	0	0
Level 3 \| Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	0	0
Level 3 \| Common collective trusts
EBP, Investment, Fair Value and NAV [Line Items]
Investments at fair value	$ 0	$ 0

EBP, Investment And Noninterest-Bearing Cash, Excluding Plan Interest In Master Trust, Fair Value

No definition available.

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- Definition

Amount of noninterest-bearing cash held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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