XML 42 R59.htm IDEA: XBRL DOCUMENT v2.4.0.6
Business Segments (Details) (USD $)
 3 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 3 Months Ended 3 Months Ended
Mar. 31, 2012
Segment
Mar. 31, 2011
Dec. 31, 2011
Mar. 31, 2012
Petroleum
Mar. 31, 2011
Petroleum
Dec. 31, 2011
Petroleum
Dec. 31, 2012
Petroleum
Hydrogen
Mar. 31, 2012
Nitrogen Fertilizer
Mar. 31, 2011
Nitrogen Fertilizer
Dec. 31, 2011
Nitrogen Fertilizer
Mar. 31, 2012
Other
Mar. 31, 2011
Other
Dec. 31, 2011
Other
Mar. 31, 2012
Intersegment elimination
Mar. 31, 2011
Intersegment elimination
Business Segments                              
Number of reportable segments 2                            
Business Segments                              
Intercompany sales       $ 2,400,000 $ 1,400,000   $ 700,000 $ 5,700,000 $ 0            
Intercompany cost of product sold (exclusive of depreciation and amortization)       5,700,000 0     3,000,000 800,000            
Cost of product sold related to the transfer of excess hydrogen               0 700,000            
Net sales 1,968,631,000 1,167,265,000   1,898,485,000 1,111,260,000     78,276,000 57,377,000         (8,130,000) (1,372,000)
Cost of product sold (exclusive of depreciation and amortization) 1,635,155,000 936,822,000   1,630,665,000 930,283,000     12,598,000 7,491,000         (8,108,000) (952,000)
Direct operating expenses (exclusive of depreciation and amortization) 115,514,000 68,434,000   92,703,000 45,410,000     22,837,000 23,024,000   (26,000)        
Insurance recovery-business interruption   (2,870,000)             (2,870,000)            
Depreciation and amortization 32,112,000 22,011,000   26,259,000 16,916,000     5,438,000 4,637,000   415,000 458,000      
Operating income 140,508,000 109,606,000   134,896,000 105,690,000     31,426,000 16,766,000   (25,814,000) (12,850,000)      
Capital expenditures 59,525,000 7,337,000   35,403,000 4,588,000     22,274,000 2,041,000   1,848,000 708,000      
Total assets 3,203,442,000 3,119,291,000 3,119,291,000 2,396,272,000   2,322,148,000   656,931,000   659,309,000 150,239,000   137,834,000    
Goodwill $ 40,969,000 $ 40,969,000 $ 40,969,000         $ 40,969,000   $ 40,969,000