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Stock-Based Compensation - Restricted Stock and RSUs (Details) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 28, 2017 | Jul. 29, 2017 | Oct. 28, 2017
Restricted Stock |  |  |
Stock-Based Compensation |  |  |
Granted (in shares) |  | 102,662 |
Granted (in dollars per share/unit) |  | $ 27.25 |
Percentage vesting each year from date of grant |  |  | 25.00%
Period from grant date for first vesting |  |  | 1 year
Vesting period |  |  | 4 years
Restricted Stock Units | Non-Employee Directors |  |  |
Stock-Based Compensation |  |  |
Granted (in shares) | 29,520 |  |
Granted (in dollars per share/unit) | $ 23.85 |  |

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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 + 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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- 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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