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v3.25.3

Acquisitions and Dispositions Of Businesses (Details) $ in Thousands |  | 3 Months Ended | 8 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Feb. 03, 2025 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) Company | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) Company | Mar. 31, 2025 USD ($)
Business Combination [Line Items] |  |  |  |  |  |  |  |  |
Number of businesses acquired | Company |  |  |  |  |  | 6 |  | 7 |
Goodwill |  |  | $ 1,359,323 |  | $ 1,359,323 | $ 1,359,323 |  | $ 1,018,415 |
Revenues |  |  | 4,301,529 | $ 3,696,924 |  | 12,473,301 | $ 10,796,097 |  |
Operating income |  |  | 405,696 | 363,538 |  | 1,139,664 | 956,299 |  |
Amortization of identifiable intangible assets |  |  | 30,515 | $ 20,147 |  | 86,967 | $ 56,559 |  |
2024Acquisitions |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  |  |  | 231,100 |
Working capital acquired |  |  |  |  |  |  |  | 29,000 |
Other net assets |  |  |  |  |  |  |  | 1,100 |
Goodwill |  |  |  |  |  |  |  | 61,900 |
Identifiable intangible assets |  |  |  |  |  |  |  | $ 139,100 |
MillerElectric |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |
Purchase price |  | $ 868,600 |  |  |  |  |  |  |
Goodwill | [1] | 318,576 |  |  |  |  |  |  |
Identifiable intangible assets |  | $ 475,000 |  |  |  |  |  |  |
Business acquisition, percentage acquired |  | 100.00% |  |  |  |  |  |  |
Revenues |  |  |  |  | 794,400 |  |  |  |
Operating income |  |  |  |  | 21,200 |  |  |  |
Amortization of identifiable intangible assets |  |  |  |  | 29,400 |  |  |  |
Business acquisition, transaction costs |  |  |  |  |  |  |  |  | $ 9,400
2025Acquisitions |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |
Purchase price |  |  |  |  |  | 50,900 |  |  |
Working capital acquired |  |  | 5,000 |  | 5,000 | 5,000 |  |  |
Other net assets |  |  | 2,800 |  | 2,800 | 2,800 |  |  |
Goodwill |  |  | 22,400 |  | 22,400 | 22,400 |  |  |
Identifiable intangible assets |  |  | $ 20,700 |  | $ 20,700 | $ 20,700 |  |  |
[1] | Goodwill is calculated as the excess of the consideration transferred over the fair value of the net assets acquired and represents the projected future economic benefits from this strategic acquisition.

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