Investments (Details Textual) (USD $)
|
3 Months Ended | |
---|---|---|
Mar. 30, 2013
|
Mar. 31, 2012
Mutual funds [Member]
|
|
Investments (Textual) [Abstract] | ||
Recognized gross realized losses | $ 0 | $ 4,000 |
X | ||||||||||
- Details
|
X | ||||||||||
- Definition
This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|