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

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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.

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Amount of noncurrent assets classified as other.

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Amount of unrecognized tax benefits.

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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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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Income Tax Contingency [Line Items]
Effective income tax rate	27.80%	22.60%
Insurance receivable and other noncurrent assets	$ 59,794		$ 64,192
Accrued interest and penalties related to uncertain tax positions	1,600
Other Noncurrent Liabilities
Income Tax Contingency [Line Items]
Unrecognized tax benefits	13,200
Deferred Tax Asset
Income Tax Contingency [Line Items]
Insurance receivable and other noncurrent assets	$ 5,200