Annual report pursuant to Section 13 and 15(d)

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

v2.4.0.6
Income Taxes (Schedule Of Net Deferred Tax Liability) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]    
Current deferred tax asset $ 20,054 $ 19,466
Noncurrent deferred tax liability (153,186) (134,916)
Net deferred tax liability $ (133,132) $ (115,450)