v3.10.0.1

Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Effective tax rate	24.70%	39.10%	24.10%	37.90%
Cash paid for income taxes			$ 30,000,000	$ 170,000,000
Accrued liability for penalties	$ 500,000		500,000
Accrued liability for interest related to uncertain tax positions and penalties	11,300,000		11,300,000
Unrecognized tax benefits settlements with taxing authorities, minimum			0
Unrecognized tax benefits settlements with taxing authorities, maximum			10,000,000
Valuation allowance, state loss carryforwards	$ 72,000,000		$ 72,000,000

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-SubTopic 10
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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

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Amount of interest expense accrued for an underpayment of income taxes.

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