Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 27, 2020

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	548		—		548
Balance as of March 27, 2020	$	150,216	$	36,563	$	186,779

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:

		March 27, 2020							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	$	353,642	$	(186,994	)	$	166,648	$	353,256	$	(171,777	)	$	181,479
Other	7	19,086		(8,732		)	10,354		19,086		(7,761		)	11,325
Total		372,728		(195,726		)	177,002		372,342		(179,538		)	192,804
Indefinite-lived intangible assets:
Trade names		92,880		—			92,880		92,880		—			92,880
Total		$	465,608	$	(195,726	)	$	269,882	$	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:

		March 27, 2020							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	$	353,642	$	(186,994	)	$	166,648	$	353,256	$	(171,777	)	$	181,479
Other	7	19,086		(8,732		)	10,354		19,086		(7,761		)	11,325
Total		372,728		(195,726		)	177,002		372,342		(179,538		)	192,804
Indefinite-lived intangible assets:
Trade names		92,880		—			92,880		92,880		—			92,880
Total		$	465,608	$	(195,726	)	$	269,882	$	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	$	19,437
2021	31,999
2022	30,591
2023	30,539
2024	26,050
2025	13,437
Thereafter	24,949