Fair Value Measurements - Investments at Fair Value (Details) - EBP Plans - USD ($)	Dec. 31, 2025	Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	$ 672,655,411	$ 509,618,846
Mutual funds
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	268,971,306	238,564,816
Mutual funds \| Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	268,971,306	238,564,816
Acuity stock fund
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	14,081,073	11,854,007
Acuity stock fund \| Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	14,081,073	11,854,007
Self-directed brokerage accounts
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	51,679,977	53,351,894
Self-directed brokerage accounts \| Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	51,679,977	53,351,894
Common/collective trusts
EBP, Investment, Fair Value and NAV [Line Items]
Total investments at fair value	$ 337,923,055	$ 205,848,129

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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+ Details

- 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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