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Share-Based Compensation (Schedule Of Stock Option Assumptions) (Details)	12 Months Ended
	Jan. 01, 2011 years	Jan. 02, 2010 years
Share-Based Compensation [Abstract]
Risk-free interest rate	2.50%	2.30%
Average expected life (years)	5.5	5.5
Expected volatility	74.80%	50.00%
Expected dividend yield

The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.

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