Goodwill and Other Identifiable Intangible Assets, Net (Tables)

9 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Amortizable Intangible Assets

Amortizable intangible assets were (in thousands):

	June 30, 2020						September 30, 2019
	Gross carrying amount		Accum. amort.		Net		Gross carrying amount		Accum. amort.		Net
Purchased and core technology	$	75,728	$	(54,030)	$	21,698	$	57,699	$	(50,986)	$	6,713
License agreements	112		(105)		7		102		(74)		28
Patents and trademarks	22,748		(13,111)		9,637		14,577		(11,970)		2,607
Customer relationships	125,300		(31,593)		93,707		46,315		(25,266)		21,049
Non-compete agreements	600		(420)		180		600		(330)		270
Order backlog	1,800		(1,800)		—		1,800		(1,800)		—
Total	$	226,288	$	(101,059)	$	125,229	$	121,093	$	(90,426)	$	30,667

Schedule of Estimated Future Amortization Expense Related to Intangible Assets

Estimated amortization expense related to intangible assets for the remainder of fiscal 2020 and the five succeeding fiscal years is (in thousands):

2020 (three months)	$	4,065
2021	$	15,555
2022	$	14,711
2023	$	12,518
2024	$	11,815
2025	$	8,358

Schedule of Changes in Carrying Amount of Goodwill

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

	Nine months ended June 30,
	IoT Products and Services		IoT Solutions		Total
Balance on September 30, 2019	$	103,519	$	49,903	$	153,422
Acquisitions	53,606		—		53,606
Foreign currency translation adjustment	20		(355)		(335)
Balance at June 30, 2020	$	157,145	$	49,548	$	206,693