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Defined Benefit Pension Plans Expected Future Annual Benefit Payments (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]  
2014 $ 4,521
2015 3,781
2016 4,093
2017 4,464
2018 4,394
2019 - 2023 $ 26,825