GOODWILL AND PURCHASED INTANGIBLE ASSETS

6 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND PURCHASED INTANGIBLE ASSETS

GOODWILL AND PURCHASED INTANGIBLE ASSETS

The carrying value of goodwill and other intangibles, excluding fully amortized intangible assets as of September 30, 2019, is set forth in the following table:

As of	September 30, 2019					March 31, 2019
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization			Weighted Average Remaining Useful Life
Amortizing Assets
Existing technology	$	585,867	$	(147,010	)	$	566,881	$	(86,301	)	3.8 years
Customer relationships	245,437		(60,373		)	245,481		(36,245		)	4.3 years
Trade name	115,600		(16,056		)	115,600		(9,633		)	7.8 years
Non-amortizing assets
In-process R&D	10,890		—			29,892		—			N/A
Total intangible assets	$	957,794	$	(223,439	)	$	957,854	$	(132,179	)	4.4 years
Goodwill	$	1,279,897	$	—		$	1,278,380	$	—		N/A

For the three and six months ended September 30, 2019, the Company recognized $46.0 million and $91.3 million, respectively in amortization expense. For the three and six months ended September 30, 2018, the Company recognized $70.9 million in amortization expense.

As of September 30, 2019, the Company placed in service $47.1 million of in-process R&D which is being amortized on a straight-line basis.

As of September 30, 2019, expected amortization expense for other intangible assets for each of the next five years and thereafter is as follows:

in thousands	Amount
2020	$	91,527
2021	178,211
2022	163,928
2023	160,220
2024	78,808
Thereafter	50,771
	$	723,465