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GOODWILL AND INTANGIBLE ASSETS
 3 Months Ended
Mar. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND INTANGIBLE ASSETS GOODWILL AND INTANGIBLE ASSETS
Goodwill
The following table provides a rollforward of the Company’s goodwill:
RMS
DSA (1)
ManufacturingTotal
(in thousands)
December 30, 2023$497,474 $1,662,434 $935,137 $3,095,045 
Acquisitions— 497 — 497 
Foreign exchange(407)(21,340)(3,554)(25,301)
March 30, 2024$497,067 $1,641,591 $931,583 $3,070,241 
(1) DSA includes accumulated impairment losses of $1 billion, which were recognized in fiscal years 2008 and 2010.
The decrease in goodwill during the three months ended March 30, 2024 related to foreign exchange in the DSA and Manufacturing reportable segments.
Intangible Assets, Net
The following table displays intangible assets, net by major class:
 March 30, 2024December 30, 2023
GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
(in thousands)
Client relationships$1,515,021 $(739,260)$775,761 $1,528,780 $(721,322)$807,458 
Technology140,982 (112,842)28,140 142,190 (111,764)30,426 
Trademarks and trade names11,842 (4,822)7,020 11,878 (4,568)7,310 
Backlog3,100 (2,485)615 3,100 (2,177)923 
Other43,008 (26,906)16,102 43,611 (25,677)17,934 
Intangible assets$1,713,953 $(886,315)$827,638 $1,729,559 $(865,508)$864,051 
The decrease in intangible assets, net during the three months ended March 30, 2024 related to normal amortization over the useful lives.
Amortization expense of definite-lived intangible assets for three months ended March 30, 2024 and April 1, 2023 was $32.6 million and $34.9 million, respectively.