Net Income (Loss) Per Common Share Information (Details)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Third Lien Notes [Member]
       
Weighted-average of the common stock equivalents outstanding        
Antidilutive securities 9,293 8,010 9,115 7,882
Outstanding stock options [Member]
       
Weighted-average of the common stock equivalents outstanding        
Antidilutive securities 2,175 1,486 1,979 1,523
Unvested restricted stock [Member]
       
Weighted-average of the common stock equivalents outstanding        
Antidilutive securities 1,169 1,236 1,199 1,236