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Performance-Based Restricted Stock Units Activity (Detail) (Performance-Based Restricted Stock Units)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Beginning balance, December 31, 2012 163
Vested   
Change in units due to annual performance 18
Forfeited (80)
Ending balance, December 30, 2013 353
Third Tranche of 2011 Grant
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Granted 54
Second Tranche of 2012 Grant
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Granted 71
First Tranche of 2013 Grant
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Granted 127