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Number of shares of common stock that have been repurchased from the date of the inception of the plan until the balance sheet date.

+ References

No definition available.

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Number of shares of common stock that have been retired from the date of the inception of the plan until the balance sheet date.

+ References

No definition available.

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Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.

+ References

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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-Name Accounting Standards Codification
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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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-Name Accounting Standards Codification
-Glossary Financing Activities
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No definition available.

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No definition available.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- References

No definition available.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

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Stock Based Compensation - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 24, 2016	Apr. 26, 2015	Apr. 27, 2014	Jun. 20, 2016
Stock Options:
Proceeds from stock options exercises	$ 869	$ 74
Additional information on equity compensation plan
Shares available for future issuance	2,949,054			2,522,355
Shares added to equity compensation plan	2,000,000
Deferred tax benefits associated with stock exercises and restricted stock vesting	$ 6,422
Tax impact to additional paid-in capital related to the vesting of restricted stock and exercise of stock options	$ 0
Stock Repurchase
Number of shares of common stock authorized for repurchase by the entity	6,000,000
Number of shares of common stock repurchased since plan inception	4,895,792
Number of shares of common stock retired since plan inception	553,800
Number of shares of common stock repurchased	0	0	0
Restricted Stock
Restricted
Fair value vested during the year	$ 1,881	$ 3,238	$ 3,660
Stock Options
Stock Options:
Intrinsic value of stock options exercised	1,436	57
Proceeds from stock options exercises	$ 869	74
Restricted stock units ("RSUs")
Restricted
Fair value vested during the year		$ 11,451