v3.26.1
Goodwill and Intangible Assets (Tables)
 6 Months Ended
Mar. 29, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of changes in the carrying value of goodwill
The following table summarizes the changes in the carrying value of goodwill by reportable segment (in thousands):
 GSGCIGTotal
Balance at September 28, 2025$658,511 $1,391,363 $2,049,874 
Goodwill reallocation83,179 (83,179)— 
Acquisition activity160,126 — 160,126 
Translation adjustments580 (992)(412)
Balance at March 29, 2026$902,396 $1,307,192 $2,209,588 
The following table summarizes the gross and accumulated impairment amounts of goodwill by reportable segment (in thousands):
 GSGCIGTotal
Balance at September 28, 2025$658,511 $1,391,363 $2,049,874 
Accumulated impairment110,130 121,473 231,603 
Gross amount at September 28, 2025$768,641 $1,512,836 $2,281,477 
Balance at March 29, 2026$902,396 $1,307,192 $2,209,588 
Accumulated impairment110,130 121,473 231,603 
Gross amount at March 29, 2026$1,012,526 $1,428,665 $2,441,191 
Summary of acquired identifiable intangible assets with finite useful lives
The following table presents the gross amount and accumulated amortization of our acquired identifiable intangible assets with finite useful lives included in “Intangible assets, net” on the consolidated balance sheets ($ in thousands):
As of
 March 29, 2026September 28, 2025
 Weighted-
Average
Remaining Life
(in Years)		Gross
Amount		Accumulated
Amortization		Net AmountGross
Amount		Accumulated
Amortization		Net Amount
Client relations6.8$188,191 $(65,993)$122,198 $169,807 $(56,241)$113,566 
Backlog0.750,190 (43,619)6,571 43,919 (40,397)3,522 
Trade names0.334,436 (33,920)516 34,805 (30,733)4,072 
Total $272,817 $(143,532)$129,285 $248,531 $(127,371)$121,160 
Summary of estimated amortization expense for the remainder of the fiscal year and the succeeding years Estimated amortization expense for the remainder of fiscal 2026 and succeeding years is as follows (in thousands):
Amount
2026 (remaining)$15,839 
202722,537 
202819,809 
202918,904 
203014,780 
Beyond37,416 
Total$129,285