Goodwill and other Identifiable Intangible Assets

12 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS, NET

Identifiable Intangible Assets, Net

Amortizable identifiable intangible assets, net as of September 30, 2020 and 2019 were comprised of the following (in thousands):


	September 30, 2020						September 30, 2019
	Gross carrying amount		Accum. amort.		Net		Gross carrying amount		Accum. amort.		Net
Purchased and core technology	$	76,011	$	(55,482)	$	20,529	$	57,699	$	(50,986)	$	6,713
License agreements	112		(112)		—		102		(74)		28
Patents and trademarks	22,836		(13,535)		9,301		14,577		(11,970)		2,607
Customer relationships	125,500		(34,232)		91,268		46,315		(25,266)		21,049
Non-compete agreements	600		(450)		150		600		(330)		270
Order backlog	—		—		—		1,800		(1,800)		—
Total	$	225,059	$	(103,811)	$	121,248	$	121,093	$	(90,426)	$	30,667

Amortization expense is included in our Consolidated Statements of Operations in cost of sales and general and administrative expense. Amortization expense in cost of sales includes amortization for purchased and core technology and certain patents and trademarks.

Amortization expense for fiscal years 2020, 2019 and 2018 was as follows (in thousands):


Fiscal year	Total
2020	$	14,754
2019	$	8,818
2018	$	9,435

3. GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS, NET (CONTINUED)

Estimated amortization expense for the next five years is as follows (in thousands):


Fiscal year	Total
2021	$	15,558
2022	$	14,714
2023	$	12,518
2024	$	11,815
2025	$	8,358

Goodwill

The changes in the carrying amount of goodwill by reportable segments are (in thousands):


	IoT Products & Services		IoT Solutions		Total
Balance on September 30, 2018	$	104,358	$	50,177	$	154,535

Foreign currency translation adjustment	(839)		(274)		(1,113)
Balance on September 30, 2019	$	103,519	$	49,903	$	153,422
Acquisition	56,242		—		56,242
Foreign currency translation adjustment	604		(133)		471
Balance at September 30, 2020	$	160,365	$	49,770	$	210,135

No goodwill impairment has been recorded in any period presented.