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Bank Credit Agreements and Other Short-Term and Long-Term Debt (Contractual maturities of long-term debt) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Maturities of long term debt [Abstract]    
Maturities in next year $ 1,063  
Maturities in year 2 947  
Maturities in year 3 954  
Maturities in year 4 40,374  
Maturities in year 5 363  
Maturities in after year 5 1,493  
Total long-term debt $ 45,194 $ 3,265