Quarterly report pursuant to Section 13 or 15(d)

Investments - Additional Information (Detail)

v2.4.0.8
Investments - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Investments Schedule [Abstract]    
Recognized gross realized losses $ 8 $ 0