Restructuring - Schedule of Charges and Payments (Details) - USD ($) $ in Thousands		3 Months Ended
Apr. 04, 2017	Jun. 30, 2018	Jun. 30, 2017
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated, period percent	8.00%
Restructuring Reserve [Roll Forward]
Accrued restructuring beginning balance		$ 435	$ 0
Charges to operations		310	1,339
Cash payments		(580)	(423)
Accrued restructuring ending balance		165	916
Employee Severance
Restructuring Reserve [Roll Forward]
Charges to operations		1,300
Severance pay and benefits
Restructuring Reserve [Roll Forward]
Accrued restructuring beginning balance		262	0
Charges to operations		0	1,339
Cash payments		(97)	(423)
Accrued restructuring ending balance		165	916
Facility Exit And Relocation Costs
Restructuring Cost and Reserve [Line Items]
Exit costs		300
Restructuring Reserve [Roll Forward]
Accrued restructuring beginning balance		173	0
Charges to operations		310	0
Cash payments		(483)	0
Accrued restructuring ending balance		$ 0	$ 0
Former executive officer \| Severance pay and benefits
Restructuring Cost and Reserve [Line Items]
Period of post employment salary	18 months
Share multiplier, unpaid cash owed percentage		120.00%
Restructuring Reserve [Roll Forward]
Charges to operations		$ 500

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Restructuring and Related Costs, Share Multiplier, Unpaid Cash Owed

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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