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Other Income, Net (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Other Income, Net [Abstract]      
Gain on expiration/settlement of customer advances $ 3,345 $ 7,798 $ 7,605
Litigation settlement proceeds   854 1,495
Split dollar life insurance proceeds 2,263    
All other, net (239) (1,531) 35
Total other income, net $ 5,369 $ 7,121 $ 9,135