XML 31 R81.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Details 4) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Deferred tax assets:    
Net operating loss carryforwards $ 210,955 $ 243,023
Inventory 2,254 4,942
Alternative minimum tax credit carryforwards 5,920 13,020
Accrued liabilities 15,392 14,627
Foreign tax credit carryforwards 110,191 100,266
Other 59,147 34,714
Subtotal 403,859 410,592
Valuation allowances (86,054) (76,056)
Total deferred tax assets 317,805 334,536
Deferred tax liabilities:    
Property, plant and equipment (255,184) (333,948)
Basis difference in the Partnership (65,422) (69,922)
Goodwill and intangibles   124
Total deferred tax liabilities (320,606) (403,746)
Net deferred tax liabilities $ (2,801) $ (69,210)