Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details Textual)

v2.4.0.6
Fair Value Measurements (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Fair Value Measurements (Textual) [Abstract]    
Transfers into or out of level 1 and level 2 assets $ 0 $ 0
Original maturity of money market funds and short-term investments purchased 90 days