v3.26.3
Goodwill and Identifiable Intangible Assets, Net
9 Months Ended
Sep. 30, 2026
Goodwill and Identifiable Intangible Assets, Net  
Goodwill and Identifiable Intangible Assets, Net

6. Goodwill and Identifiable Intangible Assets, Net

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Goodwill

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The changes in the carrying amount of goodwill are as follows (in thousands):

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​

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​

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Mechanical Segment

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Electrical Segment

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Total

Balance at December 31, 2024

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$

601,512

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$

273,758

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$

875,270

Acquisitions and purchase price adjustments (See Note 5)

​

 

52,897

​

​

97,348

​

​

150,245

Balance at December 31, 2025

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​

654,409

​

​

371,106

​

​

1,025,515

Acquisitions and purchase price adjustments (See Note 5)

​

​

17,077

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​

107,106

​

​

124,183

Balance at September 30, 2026

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$

671,486

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$

478,212

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$

1,149,698

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Identifiable Intangible Assets, Net

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At September 30, 2026, future amortization expense of identifiable intangible assets is as follows (in thousands):

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​

​

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Year ending December 31—

  ​ ​ ​

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  ​ ​ ​

2026 (remainder of the year)

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$

25,144

2027

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86,539

2028

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73,947

2029

​

​

67,679

2030

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​

55,145

Thereafter

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239,981

Total

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$

548,435

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