v2.4.0.8
Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Operating Activities:    
Net Income (Loss) $ (14,634) $ 249,906
Adjustments to Reconcile Net Income to Net Cash Provided By Operating Activities:    
Depreciation, Depletion and Amortization 320,622 309,171
Stock-Based Compensation 39,241 26,935
(Gain) Loss on Sale of Assets (32,958) (189,981)
Amortization of Mineral Leases 761 3,631
Deferred Income Taxes 6,998 30,625
Equity in Earnings of Affiliates (16,667) (15,103)
Changes in Operating Assets:    
Accounts and Notes Receivable 25,360 40,034
Inventories 19,772 (46,726)
Prepaid Expenses 24,433 19,709
Changes in Other Assets 24,512 10,604
Changes in Operating Liabilities:    
Accounts Payable (13,470) (41,266)
Other Operating Liabilities (6,019) (65,693)
Changes in Other Liabilities 2,807 23,456
Other 12,636 12,647
Net Cash Provided by Operating Activities 393,394 367,949
Investing Activities:    
Capital Expenditures (758,000) (714,399)
Increase (Decrease) in Restricted Cash 68,673 0
Proceeds from Sales of Assets 240,801 252,229
Net Investment in Equity Affiliates (16,600) (21,839)
Net Cash Used in Investing Activities (465,126) (484,009)
Financing Activities:    
(Payments on) Proceeds from Short-Term Borrowings 173,000  
Payments on Miscellaneous Borrowings (30,162) (4,662)
Payments on Securitzation Facility 2,873 0
Tax Benefit from Stock-Based Compensation 2,185 1,608
Dividends Paid (28,601) (56,833)
Proceeds from Issuance of Common Stock 2,497 457
Issuance of Treasury Stock 0 109
Debt Issuance and Financing Fees 0 (148)
Net Cash (Used in) Provided by Financing Activities 121,792 (59,469)
Net Increase in Cash and Cash Equivalents 50,060 (175,529)
Cash and Cash Equivalents at Beginning of Period 21,878 375,736
Cash and Cash Equivalents at End of Period $ 71,938 $ 200,207