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Compensation Plans Net Profits Plan (Details) - Net Profits Plan [Member] - USD ($) $ in Millions | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |
Total Cash Payments, Made or Accrued under Profit Sharing Plan | $ (26.8) | $ (7.4)
Cash Payments Made or Accrued Under Profit Sharing Plan Related to Divested Property | $ 21.6 | $ 3.8

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- Details
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