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STOCK-BASED COMPENSATION - Restricted and Unrestricted Stock and Performance Share Units (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2012		Dec. 30, 2011	Dec. 31, 2010
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested at beginning of period, shares	1,266
Granted, shares	653
Vested, shares	(382)
Forfeited, shares	(102)
Non-vested at the end of the period, shares	1,435
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Non-vested at beginning of period, price	$ 13.92	[1]
Granted, price	$ 16.72	[1]
Vested, price	$ 13.79	[1]
Forfeited, price	$ 13.86	[1]
Non-vested at end of the period, price	$ 15.23	[1]
Restricted stock
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Total unrecognized stock-based compensation expense	$ 7.0
Unrecognized stock-based compensation expense for the period identified	6.3
Unrecognized stock-based compensation expense for the period identified, period	1 year 7 months 6 days
Total fair value of restricted shares vested in period	5.3		5.2	5.4
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Share-based Compensation by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Total unrecognized stock-based compensation expense	7.0
Unrecognized stock-based compensation expense for the period identified	$ 2.8
Unrecognized stock-based compensation expense for the period identified, period	1 year 10 months 24 days
Minimum | Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Maximum | Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
[1] Weighted average market price on grant-date.

X

- Definition

Unrecognized stock-based compensation expense related to non-vested restricted stock or performance share units estimated to be recognized over a calculated weighted average period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made 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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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