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- Definition

Share Based Compensations Share Based Compensation Award Fair Value Of Grants

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The cash inflow from the additional capital contribution to the entity.

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-Glossary Financing Activities

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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.

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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).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

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

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No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

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 weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

The weighted average of per share prices paid for shares purchased on the open market for issuance to employees under the plan.

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- Definition

Percentage of vesting of share-based compensation awards.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Value of forfeitures of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP).

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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Stock-Based Compensation (Narrative) (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 26, 2015 USD ($) $ / shares ShareBasedCompensationPlan shares	Sep. 27, 2014 USD ($) $ / shares	Dec. 27, 2014 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock-based compensation plans \| ShareBasedCompensationPlan	2
Proceeds from issuance of common stock	$ 36,982	$ 17,924
2011 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation costs	$ 1,100
Average period of unrecognized compensation costs expected to be recognized	4 months
Common shares initially reserved for issuance \| shares	2,653,049		4,380,208
Common shares increase \| shares	7,000,000
Shares issued during period under ESPP \| shares	1,727,159
Weighted average price per share under ESPP \| $ / shares	$ 5.91
Weighted average grant-date fair value per ESPP award \| $ / shares	$ 1.93
Total intrinsic value of ESPP shares issued	$ 3,700
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options expiration period	10 years
Options vesting period	4 years
Total forfeitures recorded	$ 700	$ 1,800
Weighted average grant-date fair value per stock options granted \| $ / shares	$ 2.11	$ 2.29
Total intrinsic value of awards	$ 9,600	$ 2,300
Total unrecognized compensation costs	$ 3,500
Average period of unrecognized compensation costs expected to be recognized	2 years 10 months 24 days
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of awards	$ 14,900
Total unrecognized compensation costs	$ 41,000
Average period of unrecognized compensation costs expected to be recognized	2 years 9 months 18 days
Restricted Stock Units (RSUs) [Member] \| February 25, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of grants	$ 3,800
Restricted Stock Units (RSUs) [Member] \| August 25, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of grants	$ 1,500
Restricted Stock Units (RSUs) [Member] \| First Vesting Date [Member] \| February 25, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	34.00%
Restricted Stock Units (RSUs) [Member] \| First Vesting Date [Member] \| August 25, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	50.00%
Restricted Stock Units (RSUs) [Member] \| Second Vesting Date [Member] \| February 25, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.00%
Restricted Stock Units (RSUs) [Member] \| Second Vesting Date [Member] \| August 25, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	50.00%
Restricted Stock Units (RSUs) [Member] \| Third Vesting Date [Member] \| February 25, 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.00%
Maximum [Member] \| 2011 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares initially reserved for issuance \| shares	12,000,000