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Recent Accounting Pronouncements (Narrative) (Details) $ in Millions	Dec. 31, 2015 USD ($)
ASU 2015-03 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of ASU 2015-03 reduction of Deferred charges and other assets and Long-term debt	$ (3.6)
ASU 2015-17 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of ASU 2015-17 current deferred income taxes reclassified to non-current	$ 6.4

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- Definition

Amount of the increase to current deferred tax assets and decrease to noncurrent deferred tax assets from a new accounting pronouncement or change in accounting principle on the consolidated balance sheets.

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No definition available.

+ Details

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- Definition

Amount of the increase (decrease) from a new accounting pronouncement or change in accounting principle in deferred charges and long-term debt on the consolidated balance sheets.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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X

- Details

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