Compensation Plans Net Profits Plan (Details) - Net Profits Plan [Member] - USD ($) $ in Millions	9 Months Ended
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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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