[Line Items] for Significant Accounting Policies [Table]

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Significant Accounting Policies [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 76,792	$ 56,642
Contributions to 401(k) during the period	700	800	$ 700
Restricted Cash	1,093	1,090
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 77,885	$ 57,732
Top ten customers \| Net sales
Significant Accounting Policies [Line Items]
Customer concentration risk, percentage	59.00%	47.00%	51.00%
Individually Significant Customer1 [Member] \| Net sales
Significant Accounting Policies [Line Items]
Customer concentration risk, percentage	17.00%
Individually Significant Customer2 [Member] \| Net sales
Significant Accounting Policies [Line Items]
Customer concentration risk, percentage	13.00%
Individually Significant Customer3 [Member] \| Net sales
Significant Accounting Policies [Line Items]
Customer concentration risk, percentage		12.00%
Individually Significant Customer4 [Member] [Domain] \| Net sales
Significant Accounting Policies [Line Items]
Customer concentration risk, percentage		11.00%
Individually Significant Customer5 [Member] [Domain] \| Net sales
Significant Accounting Policies [Line Items]
Customer concentration risk, percentage			15.00%
Minimum \| Patents
Significant Accounting Policies [Line Items]
Estimated useful life of intangible assets	9 years
Minimum \| Other intangible assets
Significant Accounting Policies [Line Items]
Estimated useful life of intangible assets	1 year
Maximum \| Patents
Significant Accounting Policies [Line Items]
Estimated useful life of intangible assets	17 years
Maximum \| Other intangible assets
Significant Accounting Policies [Line Items]
Estimated useful life of intangible assets	10 years