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Stock-Based Compensation (Details) $ in Millions | 12 Months Ended
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Jan. 27, 2017 USD ($)
Performance Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Compensation expense not yet recognized | $ 0.1
Compensation expense not yet recognized, recognition period | 3 months 18 days
Deferred Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Vesting period | 3 years
Compensation expense not yet recognized | $ 4.1
Compensation expense not yet recognized, recognition period | 1 year 8 months 18 days
Year 1 | Performance Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Award vesting rights, percentage | 25.00%
Year 1 | Deferred Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Award vesting rights, percentage | 25.00%
Year 2 | Performance Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Award vesting rights, percentage | 25.00%
Year 2 | Deferred Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Award vesting rights, percentage | 25.00%
Year 3 | Performance Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Award vesting rights, percentage | 50.00%
Year 3 | Deferred Awards |
Share-based Compensation Arrangement by Share-based Payment Award |
Award vesting rights, percentage | 50.00%

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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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