Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Assets measured at fair value on a recurring basics) (Details)

v2.4.0.8
Financial Instruments (Assets measured at fair value on a recurring basics) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Deferred Compensation Plan Assets (mutual funds) $ 1,945 $ 1,758
Total Assets, at fair value $ 1,945 $ 1,758