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Goodwill and Intangible Assets (Tables)
 3 Months Ended
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amount of Goodwill
The following table represents changes in the carrying amount of goodwill:
(In thousands)
Balance as of December 31, 2023$735,810 
Foreign currency exchange rate fluctuations(453)
Balance as of March 31, 2024$735,357 
Carrying Amounts and Useful Lives of Intangible Assets
The carrying amounts and useful lives of intangible assets as of March 31, 2024 and December 31, 2023 were as follows:
March 31, 2024
Gross carrying
amount (1)
Accumulated
amortization		Foreign currency exchange
rate fluctuations		Net carrying
amount		Useful life
(years)
(In thousands, except for years)
Customer relationships$307,418 $(119,877)$(1,364)$186,177 
4 - 30
Acquired technology46,134 (29,344)— 16,790 
4 - 20
Trade names9,200 (7,942)— 1,258 
5 - 12
Patents2,337 (1,447)— 890 
2 - 20
Total intangible assets, net
$365,089 $(158,610)$(1,364)$205,115 
 
December 31, 2023
Gross carrying
amount (1)
Accumulated
amortization		Foreign currency exchange
rate fluctuations		Net carrying
amount		Useful life
(years)
(In thousands, except for years)
Customer relationships$307,418 $(115,232)$(1,326)$190,860 
4 - 30
Acquired technology84,876 (67,033)— 17,843 
4 - 20
Backlog1,800 (1,800)— — 2
Trade names9,200 (7,680)— 1,520 
5 - 12
Patents2,404 (1,454)— 950 
2 - 20
Total intangible assets, net
$405,698 $(193,199)$(1,326)$211,173 
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(1)    The differences in gross carrying amounts between periods are primarily due to the write-off of certain fully amortized intangible assets.
Estimated Future Amortization Expense for Intangible Assets
The estimated future amortization expenses for amortizable intangible assets were as follows:
March 31,
2024
(In thousands)
Remaining nine months of 2024$16,763 
202521,064 
202618,076 
202716,223 
202815,184 
Thereafter117,805 
Total$205,115