Income Taxes (Reconciliation of Effective Tax Rate) (Details)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Federal statutory tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	(5.30%)	2.00%	(2.00%)
Non-U.S. income taxed at different rates	1.20%	(4.40%)	0.00%
Return to accrual adjustments	(2.30%)	(3.80%)	(0.20%)
Change in valuation allowance	0.30%	0.10%	0.00%
Domestic production activities deduction	(0.00%)	(0.00%)	(3.00%)
Net operating loss carryback adjustment	10.00%	1.40%	(0.00%)
Other	0.40%	2.40%	0.50%
Effective income tax rate	39.30%	32.70%	30.30%

Effective Income Tax Rate Reconciliation, Accrual Adjustments, Percent

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Effective Income Tax Rate Reconciliation, Net Operating Loss Adjustment

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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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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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