Revenue Recognition - Additional Information (Details) - USD ($)	12 Months Ended
Mar. 31, 2019	Apr. 01, 2018	Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Capitalized contract cost, amortization period	3 years
Reduction to accumulated deficit due to adoption of new accounting guidance	$ (305,569,000)		$ (305,484,000)
Contract asset impairment	0
Recognized revenue that was previously included in deferred revenue balances	189,400,000
Capitalized contract cost, amortization	25,900,000
Acquisition costs expensed as incurred	9,000,000
Revenue, remaining performance obligation	498,300,000
Accounting Standards Update 2014-09 \| Effect of Change Higher (Lower)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reduction to accumulated deficit due to adoption of new accounting guidance	$ 54,981,000	$ 40,800,000
Recognition of capitalized contract costs, due to adoption of new accounting guidance		$ 40,600,000

The amount of expense recognized in the current period that reflects the allocation of capitalized costs associated with acquisition of business. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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