Represents the weighted average fair value of the awards.

No definition available.

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- Definition

Represents the number of shares of common stock counted against each share limit

+ References

No definition available.

+ Details

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- Definition

Represents the number of anniversaries from the grant date on which the performance-based awards vests equally.

+ References

No definition available.

+ Details

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- Definition

The period of time, from the grant date until the time at which the share-based award expires.

+ References

No definition available.

+ Details

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- Details

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- Definition

Period the instrument, asset or liability is expected to be outstanding, 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 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

+ Details

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- Definition

Weighted average expected volatility of stock price.

+ References

+ Details

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Data Type:	num:percentItemType
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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

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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).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Period Type:	instant

- Definition

Purchase price of common stock expressed as a percentage of its fair market value.

+ References

No definition available.

+ Details

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STOCK INCENTIVE PLANS AND STOCK-BASED COMPENSATION (Details) (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Stock-Based Benefit Plans
Number of anniversaries from the grant date on which the performance-based awards vests equally	3
Restricted stock and performance based restricted stock units
Stock-Based Benefit Plans
Equivalent number of awards to be counted against the share limit	1.7
Stock appreciation rights
Weighted average fair value and underlying assumptions for all stock appreciation rights
Fair value (in dollars per share)	$ 7.91	$ 7.75	$ 5.44
Expected annual volatility (as a percent)	57.51%	54.08%	50.31%
Risk-free interest rate (as a percent)	0.78%	1.59%	2.27%
Expected term	4 years 4 months 24 days	4 years 6 months	4 years 6 months
Stock options and stock appreciation rights
Stock-Based Benefit Plans
Equivalent number of awards to be counted against the share limit	1
2011 Plan
Stock-Based Benefit Plans
Number of shares authorized for grant	6,000,000
Term of awards	7 years
2011 Plan \| Directors
Stock-Based Benefit Plans
Vesting period of share based compensation award	1 year
2011 Plan \| Officers and employees
Stock-Based Benefit Plans
Vesting period of share based compensation award	3 years
Purchase Plan
Stock-Based Benefit Plans
Purchase price offered to employees as a percentage of fair market value of stock	95.00%