Additional Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Apr. 01, 2018	Mar. 31, 2018
Balance Sheet Related Disclosures [Abstract]
Accounts receivable, net	$ 27,000	$ 19,513	$ 16,389
Accrued liabilities:
Salaries, wages, and related benefits	12,929		6,793
Other taxes payable	1,041		769
Restructuring liabilities	0		198
Severance liabilities	46		0
Professional fees	67		288
Deferred rent	273		407
Other	521		786
Total	14,892		9,241
Other non-current liabilities:
Uncertain tax positions	1,083		1,519
Deferred rent	2,613		2,313
Other	76		79
Total	3,772		3,911
Accounts Receivable, Allowance for Credit Loss	$ 788		$ 900