Goodwill and Intangible Assets, Net (Tables)

6 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill by Reportable Segment

Goodwill balances by reportable segment as of September 30, 2018 and April 1, 2018 are as follows:

	Reportable Segments
(in thousands)	Communications			Computing, Consumer and Industrial		Total
Balance as of April 1, 2018	$	141,300		$	278,817	$	420,117
Reallocation of goodwill	(21,206		)	21,206		—
Balance as of September 30, 2018	$	120,094		$	300,023	$	420,117

Summary of Intangible Asset Balances

Intangible asset balances as of September 30, 2018 and April 1, 2018 are summarized as follows:

	September 30, 2018
(in thousands)	Gross Assets		Accumulated Amortization			Net Assets
Purchased intangible assets:
Developed technology	$	339,521	$	(236,496	)	$	103,025
Trademarks	5,391		(5,391		)	—
Customer relationships	201,997		(155,501		)	46,496
Intellectual property licenses	7,500		(4,500		)	3,000
Software licenses	20,894		(2,411		)	18,483
Total amortizable purchased intangible assets	575,303		(404,299		)	171,004
In-process research and development (IPR&D)	3,882		—			3,882
Total purchased intangible assets	$	579,185	$	(404,299	)	$	174,886

	April 1, 2018
(in thousands)	Gross Assets		Impairment			Accumulated Amortization			Net Assets
Purchased intangible assets:
Developed technology	$	336,402	$	—		$	(223,882	)	$	112,520
Trademarks	5,391		—			(5,391		)	—
Customer relationships	201,997		—			(149,416		)	52,581
Intellectual property licenses	7,500		—			(3,901		)	3,599
Software licenses	6,023		—			(943		)	5,080
Total amortizable purchased intangible assets	557,313		—			(383,533		)	173,780
In-process research and development (IPR&D)	9,017		(2,016		)	—			7,001
Total purchased intangible assets	$	566,330	$	(2,016	)	$	(383,533	)	$	180,781

Estimated Remaining Future Amortization Expense

Based on the intangible assets recorded as of September 30, 2018, the expected future amortization expense for intangible assets is as follows (in thousands):

Fiscal Year	Amount
2019 (Remaining 6 months)	$	22,585
2020	45,812
2021	44,856
2022	39,595
2023 and thereafter	18,156
Total amortizable purchased intangible assets	171,004
IPR&D	3,882
Total intangible assets	$	174,886