Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 29, 2020

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:

	GSG		CIG		Total
	(in thousands)
Balance at September 29, 2019	$	441,802	$	483,018	$	924,820
Acquisition activity	35,560		5,508		41,068
Translation	(4,059)		(17,111)		(21,170)
Balance at March 29, 2020	$	473,303	$	471,415	$	944,718

Summary of Gross Amount and Accumulated Amortization of Acquired Identifiable Intangible Assets With Finite Useful Lives

The gross amount and accumulated amortization of our acquired identifiable intangible assets with finite useful lives included in “Intangible assets, net” on our consolidated balance sheets, were as follows:

	March 29, 2020					September 29, 2019
	Weighted- Average Remaining Life (in Years)	Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
	($ in thousands)
Client relations	3.0	$	58,708	$	(51,596)	$	56,779	$	(50,455)
Backlog	0.9	33,618		(27,889)		32,229		(24,968)
Trade names	1.8	7,143		(5,125)		7,714		(4,859)
Total		$	99,469	$	(84,610)	$	96,722	$	(80,282)

Schedule of Estimated Amortization Expense for Remainder of Fiscal and Succeeding Years

Estimated amortization expense for the remainder of fiscal 2020 and succeeding years is as follows:

	Amount
	(in thousands)
2020	$	5,096
2021	5,898
2022	2,173
2023	1,491
2024	201
Total	$	14,859