Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule Of Net Deferred Tax Liability) (Details)

v2.4.1.9
Income Taxes (Schedule Of Net Deferred Tax Liability) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Current deferred tax asset $ 29,371us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent $ 23,249us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent
Noncurrent deferred tax liability (220,783)us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent (189,117)us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent
Net deferred tax liability $ (191,412)us-gaap_DeferredTaxAssetsLiabilitiesNet $ (165,868)us-gaap_DeferredTaxAssetsLiabilitiesNet