Represents the percentage of stock awards vesting each year.

No definition available.

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- Definition

Represents the denominator in the fraction used to calculate the number of awards earned.

+ References

No definition available.

+ Details

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Balance Type:	na
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Stock-Based Compensation - RSUs (Details) - USD ($) $ / shares in Units, $ in Millions						3 Months Ended	12 Months Ended
	May 10, 2018	Aug. 08, 2017	May 10, 2017	May 11, 2016	May 11, 2015	Sep. 24, 2006	Apr. 01, 2018	Mar. 27, 2016
Restricted Stock
Stock-based compensation
Granted (in shares)						225,000
Vesting period						10 years
Weighted-average grant date fair value (in dollars per share)						$ 10.56
Vested (in shares)								22,500
Shares outstanding (in shares)							0
RSU awards
Stock-based compensation
Unrecognized compensation costs (in dollars)							$ 0.6
Unrecognized compensation costs, period for recognition							3 years
Award Date May 11, 2015 \| RSU awards
Stock-based compensation
Granted (in shares)					10,000
Annual vesting percentage					25.00%
Unrecognized compensation costs (in dollars)							$ 0.1
Unrecognized compensation costs, period for recognition							1 year
Award Date May 11, 2016 \| RSU awards
Stock-based compensation
Granted (in shares)				10,000
Annual vesting percentage				25.00%
Unrecognized compensation costs (in dollars)							$ 0.1
Unrecognized compensation costs, period for recognition							2 years
Award Date May 10, 2017 \| RSU awards
Stock-based compensation
Granted (in shares)			18,000
Annual vesting percentage			25.00%
Award Date August 8, 2017 \| RSU awards
Stock-based compensation
Granted (in shares)		56,000
Vesting period		4 years
Denominator in fraction used to calculate number of awards earned		$ 3.20
Cancelled (in shares)							8,000
Shares outstanding (in shares)							48,000
Subsequent Event \| Award Date, May 10, 2018 \| RSU awards
Stock-based compensation
Granted (in shares)	18,000
Annual vesting percentage	25.00%