Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 27, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill are as follows:    

(in thousands)	Electrical Raceway		Mechanical Products & Solutions		Total
Balance as of October 1, 2019	$	149,668	$	36,563	$	186,231
Exchange rate effects	1,874		—		1,874
Balance as of December 27, 2019	$	151,542	$	36,563	$	188,105

Schedule of Finite-Lived Intangible Assets

The following table provides the gross carrying value, accumulated amortization and net carrying value for each major class of intangible assets:

		December 27, 2019							September 30, 2019
($ in thousands)	Weighted Average Useful Life (Years)	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Amortizable intangible assets:
Customer relationships	11	$	355,992	$	(179,950	)	$	176,042	$	353,256	$	(171,777	)	$	181,479
Other	7	19,086		(8,260		)	10,826		19,086		(7,761		)	11,325
Total		375,078		(188,210		)	186,868		372,342		(179,538		)	192,804
Indefinite-lived intangible assets:
Trade names		92,880		—			92,880		92,880		—			92,880
Total		$	467,958	$	(188,210	)	$	279,748	$	465,222	$	(179,538	)	$	285,684

Schedule of Indefinite-Lived Intangible Assets

The following table provides the gross carrying value, accumulated amortization and net carrying value for each major class of intangible assets:

		December 27, 2019							September 30, 2019
($ in thousands)	Weighted Average Useful Life (Years)	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Amortizable intangible assets:
Customer relationships	11	$	355,992	$	(179,950	)	$	176,042	$	353,256	$	(171,777	)	$	181,479
Other	7	19,086		(8,260		)	10,826		19,086		(7,761		)	11,325
Total		375,078		(188,210		)	186,868		372,342		(179,538		)	192,804
Indefinite-lived intangible assets:
Trade names		92,880		—			92,880		92,880		—			92,880
Total		$	467,958	$	(188,210	)	$	279,748	$	465,222	$	(179,538	)	$	285,684

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Expected amortization expense for intangible assets for the remainder of fiscal 2020 and over the next five years and thereafter is as follows:

(in thousands)
Remaining 2020	$	25,854
2021	32,314
2022	30,980
2023	30,860
2024	26,403
2025	13,844
Thereafter	26,613