Maximum Amount Granted To Each Employee To Purchase Common Stock Under Employee Stock Purchase Plan

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- Definition

Number Of Shares Added Back Upon Expiration Or Termination Of The Award Or Repurchase Or Forfeiture Of The Shares

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Operating Income Share Based Compensation Expense

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- Definition

Share Based Compensation Arrangement By Share Based Award Addition Number Of Shares Authorized

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award Number Of Plans

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeited In Period, Value

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- Definition

Share based compensation arrangement by share based payment award term

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- Definition

Share Based Compensations Share Based Compensation Award Fair Value Of Grants

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- Definition

Vesting Percent Of Shares Granted

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No definition available.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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-Topic 210

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Article 5

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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-Publisher FASB

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- Definition

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

Shares contributed to the ESOP that have not yet been released, committed to be released, or allocated to participant accounts. Suspense shares generally collateralize ESOP debt.

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- Definition

The total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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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.

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- Definition

Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

+ References

No definition available.

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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).

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

+ References

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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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-Name Accounting Standards Codification

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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

Weighted average grant-date fair value of options vested.

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No definition available.

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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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-Name Accounting Standards Codification

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Number 210

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Stock-Based Compensation (Narrative) (Details) (USD $)	12 Months Ended
Stock-Based Compensation (Narrative) (Details) (USD $)	Dec. 27, 2014 ShareBasedCompensationPlan	Dec. 28, 2013	Dec. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock-based compensation programs	2
Proceeds from issuance of stock-based awards	$ 29,200,000	$ 25,200,000	$ 16,000,000
Total number of authorized and registered shares available	900,000,000us-gaap_CommonStockSharesAuthorized	900,000,000us-gaap_CommonStockSharesAuthorized
Total intrinsic value of stock options	21,900,000
Total unrecognized compensation costs	3,800,000
Unrecognized compensation expected to be recognized, average period	2 years 4 months 24 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value per stock option	$ 2.33	$ 2.47	$ 2.16
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation costs	38,500,000
Unrecognized compensation expected to be recognized, average period	2 years 8 months 16 days
Weighted-average estimated fair values	$ 7.49	$ 6.45	$ 5.95
Fair value of grants	1,900,000	1,700,000	200,000
Non-Gaap operating income recognized as share based expense	2,000,000
Intrinsic value of shares vested	14,600,000
May 25, 2013 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent			50.00%
May 25, 2014 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent			25.00%
May 25, 2015 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent			25.00%
August 25, 2015 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent		50.00%
August 25, 2016 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent	50.00%	50.00%
August 25, 2017 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent	50.00%
February 25, 2015 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent of shares granted	34.00%
February 25, 2016 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent of shares granted	33.00%
February 25, 2017 [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percent of shares granted	33.00%
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum shares of stock an employee can purchase	7,500
Maximum amount granted to each employee to purchase common stock ESPP	25,000
Weighted average grant-date fair value per ESPP award	$ 1.74	$ 1.61	$ 1.69
2008 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option expiration term (years)	10 years
Award vesting period (years)	4 years
Common shares reserved for issuance	30,000,000
Total number of authorized and registered shares available	39,500,000
Additional common shares reserved for issuance	15,000,000		9,500,000
Number of shares added back upon upon expiration or termination of the award or repurchase or forfeiture of the shares	1.6
2011 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares reserved for issuance	12,000,000
Shares issued during period under ESPP	1,916,727
Weighted average price per share under ESPP	$ 5.66
Stock available for future issuance during the period under ESPP	4,380,208	6,296,935
1994 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional common shares reserved for issuance	0
2001 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional common shares reserved for issuance	0
Pre-Vesting [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Adjustments for forfeitures	$ 2,300,000