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Assets Held for Sale and Net Gain on Disposition (Detail Textuals) (USD $)
 3 Months Ended 12 Months Ended
Dec. 29, 2012
Sep. 29, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Jul. 02, 2011
Apr. 02, 2011
Dec. 29, 2012
Dec. 31, 2011
Assets Held For Sale and Net Gain On Disposition [Line Items]                  
Gain (loss) from sale of properties $ 204,000 [1] $ 9,151,000 [2] $ (48,000) [3] $ 578,000 [4] $ 3,665,000 [5] $ (283,000) [6] $ 7,222,000 [7] $ 9,885,000 $ 10,604,000
Selling, general and administrative expenses
                  
Assets Held For Sale and Net Gain On Disposition [Line Items]                  
Carrying value of assets held for sale that were sold during the period 7,400,000       4,800,000     7,400,000 4,800,000
Gain (loss) from sale of properties               9,900,000 5,200,000
Other current assets
                  
Assets Held For Sale and Net Gain On Disposition [Line Items]                  
Total assets held for sale current 1,600,000       2,300,000     1,600,000 2,300,000
Carrying value of assets held for sale that were sold during the period $ 7,400,000       $ 4,000,000     $ 7,400,000 $ 4,000,000
[1] During the three months ended December 29, 2012, basic and diluted weighted average shares were 60,118,183, respectively. Total share-based awards of 4,460,054 were excluded from our diluted earnings per share calculation because they were anti-dilutive.
[2] During the three months ended September 29, 2012, basic and diluted weighted average shares were 60,098,691.
[3] During the three months ended June 30, 2012, basic and diluted weighted average shares were 60,097,558. Total share-based awards of 4,515,590 were excluded from our diluted earnings per share calculation because they were anti-dilutive.
[4] During the three months ended March 31, 2012, basic and diluted weighted average shares were 60,002,836. Total share-based awards of 4,519,590 were excluded from our diluted earnings per share calculation because they were anti-dilutive.
[5] During the three months ended December 31, 2011, basic and diluted weighted average shares were 59,659,984, respectively. Total share-based awards of 3,266,740 were excluded from our diluted earnings per share calculation because they were anti-dilutive.
[6] During the three months ended July 2, 2011, basic and diluted weighted average shares were 31,062,794. Total share-based awards of 3,079,540 were excluded from our diluted earnings per share calculation because they were anti-dilutive.
[7] During the three months ended April 2, 2011, basic and diluted weighted average shares were 30,843,732. Total share-based awards of 3,096,843 were excluded from our diluted earnings per share calculation because they were anti-dilutive.