Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Total cost of revenue	$ 69,584	$ 64,509	$ 195,591	$ 205,314
Related party research and development	49,925	44,287	161,347	161,762
Related party selling and marketing	74,024	77,270	224,207	239,897
Related party general and administrative expense	22,788	23,033	74,141	82,400
Affiliated Entity
Related Party Transaction [Line Items]
Related party research and development	0	0	2	3
Related party selling and marketing	0	0	0	2
Related party general and administrative expense	0	753	15	1,697
Product
Related Party Transaction [Line Items]
Total cost of revenue	40,517	39,810	107,974	120,643
Product \| Affiliated Entity
Related Party Transaction [Line Items]
Total cost of revenue	0	0	0	245
Service
Related Party Transaction [Line Items]
Total cost of revenue	29,067	24,699	87,617	84,671
Service \| Affiliated Entity
Related Party Transaction [Line Items]
Total cost of revenue	$ 83	$ 192	$ 403	$ 480

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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-Name Accounting Standards Codification
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