Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 29, 2019

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
Translation	2,502		9,746		12,248
Balance at December 29, 2019	$	444,304	$	492,764	$	937,068

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:

	December 29, 2019						September 29, 2019
	Weighted- Average Remaining Life (in Years)	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
	($ in thousands)
Client relations	2.8	$	57,065	$	(51,401	)	$	56,779	$	(50,455	)
Backlog	1.2	33,112		(27,312		)	32,229		(24,968		)
Trade names	2.2	7,919		(5,302		)	7,714		(4,859		)
Total		$	98,096	$	(84,015	)	$	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	$	6,770
2021	4,729
2022	1,660
2023	922
Total	$	14,081