GOODWILL AND OTHER INTANGIBLES

3 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The following table provides changes in the carrying value of goodwill by segment during the three months ended December 31, 2019:



	At September 30, 2019		Goodwill from acquisitions		Other adjustments including currency translations		At December 31, 2019
Consumer and Professional Products	$	227,269	$	7,942	$	1,581	$	236,792
Home and Building Products	191,253		—		—		191,253
Defense Electronics	18,545		—		—		18,545
Total	$	437,067	$	7,942	$	1,581	$	446,590

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



	At December 31, 2019					At September 30, 2019
	Gross Carrying Amount		Accumulated Amortization		Average Life (Years)	Gross Carrying Amount		Accumulated Amortization
Customer relationships & other	$	184,980	$	60,327	23	$	183,515	$	57,783
Technology and patents	19,317		7,640		13	19,167		7,329
Total amortizable intangible assets	204,297		67,967			202,682		65,112
Trademarks	221,413		—			219,069		—
Total intangible assets	$	425,710	$	67,967		$	421,751	$	65,112

Amortization expense for intangible assets was $2,393 and $2,418 for the quarters ended December 31, 2019 and 2018, respectively. Amortization expense for the remainder of 2020 and the next five fiscal years and thereafter, based on current intangible balances and classifications, is estimated as follows: 2020 - $9,593; 2021 - $9,387; 2022 - $9,387; 2023 - $9,234; 2024 - $9,208; 2025 - $9,208; thereafter $80,313.

No event or indicator of impairment occurred during the three months ended December 31, 2019 which would require impairment testing of long-lived intangible assets including goodwill.