Interim Financial Statements (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2014	Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reduction in accounts receivable		$ 41.0
Reduction in deferred revenue		41.0
Reduction in income tax assets, net		14.2
Reduction in APIC		$ 14.2
Increase in total cash from operating	$ 9.4
Decrease in total cash from financing	$ 9.4

Decrease in total cash from financing activities related to the tax impact of the prior period revision.

No definition available.

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Increase in total cash from operating activities related to the tax impact of the prior period revision.

No definition available.

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Reduction in APIC due to tax impact on prior period adjustment.

No definition available.

Reduction in accounts receivable as a result of a revision to previously issued financial statements.

No definition available.

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Reduction in deferred revenue as a result of a revision to previously issued financial statements.

No definition available.

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Reduction in income tax assets, net due to tax impact on prior period adjustment.

No definition available.

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No definition available.

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