Goodwill and Acquired Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Expected Amortization Expense for Acquired Intangible Assets

Expected amortization expense for acquired intangible assets for each of the following periods is as follows:

	Amortization
	(In thousands)
Expected for fiscal year 2022	$	3,300
Expected for fiscal year 2023		2,993
Expected for fiscal year 2024		2,472
Expected for fiscal year 2025		803
Expected for fiscal year 2026		—
Thereafter		—
	$	9,568

Allocation of Other Acquired Intangible Assets and Related Accumulated Amortization

The allocation of the other acquired intangible assets and the related accumulated amortization as of March 31, 2021 and 2020 is as follows:

			As of March 31, 2021							As of March 31, 2020
	Weighted Average Useful Life		Total		Accumulated Amortization			Net Book Value		Total		Accumulated Amortization			Net Book Value
	(In years)		(In thousands)
Technology		6	$	78,185	$	(71,549	)	$	6,636	$	89,228	$	(78,935	)	$	10,293
Contracts and customer relationships		8		55,161		(52,229	)		2,932		103,114		(98,968	)		4,146
Satellite co-location rights		9		8,600		(8,600	)		—		8,600		(8,600	)		—
Trade name		3		5,940		(5,940	)		—		5,940		(5,940	)		—
Other		7		3,663		(3,663	)		—		6,399		(6,399	)		—
Total other acquired intangible assets		7	$	151,549	$	(141,981	)	$	9,568	$	213,281	$	(198,842	)	$	14,439