GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The following table summarizes the changes in the carrying amount of goodwill for the six months ended September 30, 2021 as follows (in thousands):

Balance at March 31, 2021	$	1,717,554
Foreign currency translation impact	316
Balance at September 30, 2021	$	1,717,870

Schedule of Intangible Assets

Intangible assets include the following amortizable intangible assets at September 30, 2021 (in thousands):

	Cost		Accumulated Amortization		Net
Developed technology	$	251,995	$	(219,320)	$	32,675
Customer relationships	775,625		(360,357)		415,268
Distributor relationships and technology licenses	11,465		(8,405)		3,060
Definite-lived trademark and trade name (a)	58,021		(34,825)		23,196
Core technology	7,192		(7,192)		—
Net beneficial leases	336		(336)		—
Non-compete agreements	292		(292)		—
Capitalized software	3,317		(3,303)		14
Other	1,208		(973)		235
	$	1,109,451	$	(635,003)	$	474,448

(a) The Company's $18.6 million acquired trade name changed from indefinite-lived during the first quarter of fiscal year 2022.

Intangible assets include the indefinite-lived trade name with a carrying value of $18.6 million and the following amortizable intangible assets at March 31, 2021 (in thousands):

	Cost		Accumulated Amortization		Net
Developed technology	$	252,071	$	(212,688)	$	39,383
Customer relationships	775,898		(333,903)		441,995
Distributor relationships and technology licenses	11,469		(7,829)		3,640
Definite-lived trademark and trade name	39,434		(31,467)		7,967
Core technology	7,192		(7,192)		—
Net beneficial leases	336		(336)		—
Non-compete agreements	292		(292)		—
Capitalized software	3,317		(3,281)		36
Other	1,208		(963)		245
	$	1,091,217	$	(597,951)	$	493,266

Finite-lived Intangible Assets Amortization Expense

The following table provides a summary of amortization expense for the three and six months ended September 30, 2021 and 2020, respectively (in thousands):

	Three Months Ended				Six Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Amortization of intangible assets included as:
Cost of product revenue	$	3,654	$	5,320	$	7,316	$	10,333
Operating expense	14,975		15,368		29,986		30,634
	$	18,629	$	20,688	$	37,302	$	40,967

Schedule of Expected Future Amortization Expense

The following is the expected future amortization expense at September 30, 2021 for the fiscal years ending March 31 (in thousands):

2022 (remaining six months)	$	37,158
2023	66,701
2024	58,455
2025	51,231
2026	46,878
Thereafter	214,025
	$	474,448