Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Additional Information (Detail)

v2.4.0.8
Earnings Per Share - Additional Information (Detail)
6 Months Ended
Jun. 28, 2014
Earnings Per Share [Line Items]  
Date of payment of dividend to shareholders Oct. 10, 2013
Convertible Class B Stock [Member]
 
Earnings Per Share [Line Items]  
Stock distribution One-for-five