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SHAREHOLDERS' EQUITY Assumptions Used to Estimate Fair Value of Option Awards (Detail)
12 Months Ended
Dec. 30, 2012
Dec. 25, 2011
Dec. 26, 2010
Performance Shares
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Average expected term (in years) 3 years    
Risk free interest rate 0.41% 0.00% 0.00%
Expected dividend yield 2.39% 0.00% 0.00%
Expected volatility 69.47% 0.00% 0.00%
Stock Options
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Average expected term (in years) 4 years 6 months 4 years 6 months 4 years 6 months
Expected volatility, minimum 65.74% 62.46% 59.41%
Expected volatility, maximum 66.95% 64.39% 62.24%
Weighted average volatility 66.56% 62.54% 61.01%
Risk free interest rate 0.84%    
Risk-free interest rates, minimum   0.87% 1.51%
Risk-free interest rates, maximum   2.21% 2.65%
Expected dividend yield 5.00%   1.00%
Expected dividend yield, minimum   1.00%  
Expected dividend yield, maximum   2.00%  
Weighted average expected dividend 5.00% 1.06% 1.00%