The Company and Summary of Significant Accounting Policies - Stock Based Compensation (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Other Current Liabilities
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Non-qualified deferred compensation liability	$ 609	$ 308
Other Noncurrent Liabilities
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Deferred compensation liability, noncurrent	$ 3,531	$ 5,993

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant