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Defined Contribution Bonus and Profit Sharing Plans Schedule of Bonus and Profit Sharing Plans Expense (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
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Dec. 31, 2013
|
Dec. 31, 2012
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| Bonus and Profit Sharing Plans and Awards Expense | $ 37,850 | $ 15,745 | $ 25,297 |