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Stock Based Awards (Tables)
4 Months Ended
Jun. 16, 2012
2013 LTIP [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Assumptions related to the valuation of the Company's LTIP
         
    June 16,
2012
 

Dividend yield

    4.1%  

Volatility rate

    45.8%  

Risk-free interest rate

    0.4%  

Expected life

    3.0 years  
2012 LTIP [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Assumptions related to the valuation of the Company's LTIP
                 
    June 16,
2012
    June 18,
2011
 

Dividend yield

    4.6%       4.2%  

Volatility rate

    47.0%       47.4 — 49.5%  

Risk-free interest rate

    0.3%       0.7 — 1.2%  

Expected life

    2.2 years       2.9 — 3.1 years