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.

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=96867065&loc=d3e5070-113901

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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=96867065&loc=d3e5070-113901

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- 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.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

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Shareholders' Equity - Stock Awards Contingent on Shareholder Approval (Details) - $ / shares		3 Months Ended
	Jun. 13, 2018	May 05, 2018	Apr. 29, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted		644,000
Restricted Stock - Time Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted		140,000	317,219
Award Vesting Period		3 years	3 years
Restricted Stock - Total Shareholder Return [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted		488,960	561,981
Award Vesting Period		3 years	3 years
Awards Contingent on Shareholder Approval [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, shares	1,125,652
Stock Options exercise price	$ 1.00
Awards Contingent on Shareholder Approval [Member] \| Restricted Stock - Time Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted	527,938
Award Vesting Period	3 years
Awards Contingent on Shareholder Approval [Member] \| Restricted Stock - Total Shareholder Return [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted	258,606
Award Vesting Period	3 years