Goodwill and Intangible Assets (Tables)

12 Months Ended

Oct. 02, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of changes in carrying value of goodwill

The following table summarizes the changes in the carrying value of goodwill:

	GSG		CIG		Total
	(in thousands)
Balance at September 27, 2020	$	516,315	$	477,183	$	993,498
Acquisitions	15,112		75,479		90,591
Translation and other	7,006		17,483		24,489
Balance at October 3, 2021	538,433		570,145		1,108,578
Goodwill reallocation	(51,497)		51,497		—
Acquisitions	42,365		26,318		68,683
Translation and other	(10,199)		(56,650)		(66,849)
Balance at October 2, 2022	$	519,102	$	591,310	$	1,110,412

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:

	Fiscal Year Ended
	October 2, 2022							October 3, 2021
	Weighted- Average Remaining Life (in years)	Gross Amount		Accumulated Amortization		Net Amount		Gross Amount		Accumulated Amortization		Net Amount
	($ in thousands)
Client relations	5.5	$	41,676	$	(21,092)	$	20,584	$	69,455	$	(43,984)	$	25,471
Backlog	0.6	33,286		(29,990)		3,296		34,577		(30,670)		3,907
Technology and trade names	3.7	12,711		(7,428)		5,283		14,939		(6,327)		8,612
Total		$	87,673	$	(58,510)	$	29,163	$	118,971	$	(80,981)	$	37,990

Estimated amortization expense for the succeeding five years and beyond

Estimated amortization expense for the succeeding five fiscal years and beyond is as follows:

	Amount
	(in thousands)
2023	$	9,788
2024	5,244
2025	4,411
2026	3,590
2027	2,168
Beyond	3,962
Total	$	29,163