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Consolidated Statement of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Statement of Comprehensive Income [Abstract]      
Income Tax Expense (Benefit), Discontinued Operations $ 1,200us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation $ 2,235us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation $ 9,230us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
Income Tax Expense (Benefit) on Gain (Loss), Discontinued Operations $ 5,975us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation $ 1,220us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation $ 0us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation