v3.8.0.1

Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Effective Income Tax Rate Reconciliation, Percent	0.00%		0.00%
Tax Adjustments, Settlements, and Unusual Provisions	$ 8.6
Liability for unrecognized tax benefits	10.1
Accrued interest and penalties recorded in other long-term liabilities		$ 21.3
Unrecognized tax benefits that would affect income tax expense	8.6
Interest and penalties share in unrecognized tax benefits	3.8
Provisional Net Tax Expense Resulting from the Enactment of the 2017 Tax Act [Line Items]		$ 34.1
Adjustment to Provisional Net Tax Expense Resulting from the Enactment of the 2017 Tax Act	1.4
Minimum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	1.3
Maximum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 5.5

Adjustment to Provisional Net Tax Expense Resulting from the Enactment of the 2017 Tax Act

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Provisional Net Tax Expense Resulting from the Enactment of the 2017 Tax Act

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Amount recognized for uncertainty in income taxes classified as noncurrent.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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CONVERGYS CORP 10-Q