GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

The following is a summary of changes in goodwill (in thousands):

Balance at September 30, 2018	$	64,777
Additions (Note 1)	3,125
Balance at June 30, 2019	$	67,902

Schedule of Finite-Lived Intangible Assets

Intangible assets arising from business acquisitions consisted of the following:

		June 30, 2019						September 30, 2018
(in thousands)	Estimated Useful Lives	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Finite-lived intangible asset:
Developed technology	15 years	$	70,200	$	9,089	$	61,111	$	70,000	$	5,589	$	64,411
Trade name	20 years	5,700		451		5,249		5,700		237		5,463
Customer relationships	5 years	4,000		1,267		2,733		4,000		667		3,333
		$	79,900	$	10,807	$	69,093	$	79,700	$	6,493	$	73,207