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Employee Benefit Plans (Expected Benefit Payments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
2013 $ 10,440
2014 4,080
2015 3,810
2016 3,730
2017 4,590
Years 2018 - 2021 $ 15,250