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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	6 Months Ended
	Jun. 28, 2013
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 (in shares)	1,435
Granted (in shares)	567
Vested (in shares)	(405)
Forfeited (in shares)	(96)
Non-vested at the end of the period (in shares)	1,501
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 (in dollars per share)	$ 15.23	[1]
Granted (in dollars per share)	$ 18.49	[1]
Vested (in dollars per share)	$ 15.35	[1]
Forfeited (in dollars per share)	$ 17.46	[1]
Non-vested at end of the period (in dollars per share)	$ 16.29	[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	$ 8.8
Unrecognized stock-based compensation expense for the period identified	7.9
Unrecognized stock-based compensation expense for the period identified, period	1 year 8 months 12 days
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	9.5
Unrecognized stock-based compensation expense for the period identified	$ 4.0
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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Weighted average period in which unrecognized stock-based compensation expense related to non-vested restricted stock or performance share units is estimated to be recognized.

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Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

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

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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 as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan 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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