Annual report pursuant to Section 13 and 15(d)

Earnings Per Share - Additional information (Detail)

v2.4.0.6
Earnings Per Share - Additional information (Detail)
In Millions, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Stock Options
     
Earnings Per Share Disclosure [Line Items]      
Stock options excluded from computation of earnings per share 0.6 0.5 1.9
Performance-Based | Restricted Stock Units (RSUs)
     
Earnings Per Share Disclosure [Line Items]      
Stock options excluded from computation of earnings per share 0.4 0.5 0.5