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Stock-Based Compensation (Tables) | 6 Months Ended
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Oct. 29, 2017
Summary of Assumptions Used to Determine Fair Value of Performance Based Restricted Stock Units | The following table provides assumptions used to determine the fair market value of the market-based total shareholder return component using the Monte Carlo simulation model on the date of grant:
Closing price of our common stock |  | $ | 32.50 |
Expected volatility of our common stock |  |  | 31.0 | %
Expected volatility of peer companies |  |  | 16.5 | %
Risk-free interest rate |  |  | 1.56 | %
Dividend yield |  |  | 1.66 | %
Correlation coefficient of peer companies |  |  | 0.46 |
Summary of Vested Performance Based Restricted Stock Units | The following table summarizes information related to our performance based restricted stock units that vested during the six month periods ending October 29, 2017 and October 30, 2016:
|  |  | (3) |
|  | Common Stock | Weighted Average | Price
Fiscal Year |  | Shares Vested | Fair Value | Per Share
Fiscal 2018 (1) |  |  | 102,845 |  |  | $1,820 |  |  | $17.70 | (4)
Fiscal 2018 (2) |  |  | 16,000 |  |  | $520 |  |  | $32.50 | (5)
Fiscal 2017 (1) |  |  | 37,192 |  |  | $637 |  |  | $17.12 | (4)
Fiscal 2017 (2) |  |  | 12,000 |  |  | $345 |  |  | $28.77 | (5)
(1) NEOs and key employees. (2) Non-employee (3) Dollar amounts are in thousands. (4) Price per share represents closing price of our common stock on the date of grant. (5) The respective grant vested during the first quarter of fiscal 2018 or 2017, respectively. Accordingly, the price per share represents the closing price of our common stock on the date the award vested.
NEOs and Key Employees [Member] |
Summary of Grants of Performance Based Restricted Stock Units | The following table summarizes information related to our grants of performance based restricted stock units associated with NEOs and key employees that are currently unvested:
|  |  | (3) |  |
|  | Restricted Stock | Price Per | Vesting
Date of Grant |  | Units Awarded | Share | Period
July 13, 2017 (1) |  |  | 78,195 |  |  | $31.85 | (4) | 3 years
July 13, 2017 (2) |  |  | 44,000 |  |  | $32.50 | (5) | 3 years
July 14, 2016 (1) (2) |  |  | 107,880 |  |  | $28.00 | (5) | 3 years
July 15, 2015 (1) (2) |  |  | 107,554 |  |  | $32.23 | (5) | 3 years
(1) Performance-based restricted stock units awarded to NEOs. (2) Performance-based restricted stock units awarded to key employees. (3) Amounts represent the maximum number of common stock shares that could be earned if certain performance targets are met as defined in the related restricted stock unit agreements. (4) Price per share represents the fair market value per share ($0.98 per $1 or a reduction of $0.65 to the closing price of the our common stock) determined using the Monte Carlo simulation model for the market-based total shareholder return component and the closing price of our common stock ($32.50) for the performance-based components of the performance-based restricted stock units granted to our NEOs on July 13, 2017. (5) Price per share represents the closing price of our common stock on the date of grant.
Non-employee [Member] |
Summary of Grants of Performance Based Restricted Stock Units | The following table summarizes information related to our grants of performance-based restricted stock units associated with a non-employee that are currently unvested:
|  |  | (1) |  |
|  | Restricted Stock | Price Per | Vesting
Date of Grant |  | Units Awarded | Share | Period
July 13, 2017 |  |  | 10,200 |  |  | $31.95 | (2) | 3 years
July 14, 2016 |  |  | 11,549 |  |  | $31.95 | (2) | 3 years
July 15, 2015 |  |  | 10,364 |  |  | $31.95 | (2) | 3 years
(1) Amounts represent the maximum number of common stock shares that could be earned if certain performance targets are met as defined in the related restricted stock unit agreements. (2) The respective grant was unvested at the end of our reporting period. Accordingly, the price per share represents the closing price of our common stock on October 29, 2017, the end of our reporting period.

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- Definition Tabular disclosure of quantitative information about the inputs used in the fair value measurement of financial instruments classified in shareholders' equity. This disclosure may include, but is not limited to, the fair value of the financial instrument classified in shareholders' equity, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding restricted stock units that are fully vested and expected to vest. Includes, but is not limited to, unvested restricted stock units for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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