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Stock-Based Compensation - Restricted Stock and RSUs (Details) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 28, 2017 | Jul. 29, 2017 | Jan. 27, 2018
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 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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