Effective Income Tax Rate Reconciliation, Effect of Foreign Currency Translation Non-Deductible

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

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Amount 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 increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Loss Carryforwards [Line Items]
Expected tax expense (benefit)									$ (17,263)	$ (19,522)	$ 16,235
State income taxes									1,214	(1,717)	302
Incentive stock options									(208)	66	43
Valuation allowance									496	0	(206)
Other, net									(119)	(61)	91
Income tax (expense) benefit	(20,198)us-gaap_IncomeTaxExpenseBenefit	9,927us-gaap_IncomeTaxExpenseBenefit	(1,070)us-gaap_IncomeTaxExpenseBenefit	37us-gaap_IncomeTaxExpenseBenefit	(733)us-gaap_IncomeTaxExpenseBenefit	(3,614)us-gaap_IncomeTaxExpenseBenefit	(14,953)us-gaap_IncomeTaxExpenseBenefit	(546)us-gaap_IncomeTaxExpenseBenefit	(11,304)us-gaap_IncomeTaxExpenseBenefit	(19,846)us-gaap_IncomeTaxExpenseBenefit	16,354us-gaap_IncomeTaxExpenseBenefit
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Nondeductible items for tax purposes									957	(92)	533
Foreign currency translation gain (loss)									2,699	617	(1,414)
Domestic Country [Member]
Operating Loss Carryforwards [Line Items]
Nondeductible items for tax purposes									$ 920	$ 863	$ 770