Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 3 Months Ended
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Changes in Goodwill
The changes in the carrying amount of goodwill by reportable segment are as follows (in thousands):
Fire Safety Specialty Products Total
Balance, December 31, 2023
 $ 863,889  $ 172,390  $ 1,036,279 
Foreign currency translation (3,928) (963) (4,891)
Balance, March 31, 2024
 $ 859,961  $ 171,427  $ 1,031,388 
Summary of Definite Lived Intangible Assets
Intangible assets and related accumulated amortization as of March 31, 2024 and December 31, 2023 are as follows (in thousands):
March 31, 2024
Estimated
Useful Life
(in years)		 Gross Value Impairment Foreign
Currency
Translation		 Accumulated
Amortization		 Net Book
Value
Definite Lived Intangible Assets:
Customer lists 20 $ 761,000  $ —  $ (7,079) $ (90,348) $ 663,573 
Technology and patents 20 250,000  (40,738) (2,846) (29,605) 176,811 
Tradenames 20 101,000  —  (924) (11,992) 88,084 
Balance, March 31, 2024
 $ 1,112,000  $ (40,738) $ (10,849) $ (131,945) $ 928,468 
December 31, 2023
Estimated
Useful Life
(in years)		 Gross Value Impairment Foreign
Currency
Translation		 Accumulated
Amortization		 Net Book
Value
Definite Lived Intangible Assets:
Customer lists 20 $ 761,000  $ —  $ (5,294) $ (80,920) $ 674,786 
Technology and patents 20 250,000  (40,738) (2,096) (26,513) 180,653 
Tradenames 20 101,000  —  (691) (10,741) 89,568 
Balance, December 31, 2023
 $ 1,112,000  $ (40,738) $ (8,081) $ (118,174) $ 945,007 
Summary of Intangible Asset Future Amortization Expense
Estimated annual amortization expense of intangible assets for the next five years ended December 31 and thereafter is as follows (in thousands):
Amount
2024 remaining $ 40,013 
2025 53,350 
2026 53,350 
2027 53,350 
2028 53,350 
Thereafter 675,055 
Total $ 928,468