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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Cash flows from operating activities:    
Net income $ 853,595 $ 126,362
Adjustments to reconcile net income to net cash generated from operating activities:    
Depreciation and amortization 396,398 323,783
Amortization of leasehold interests in land included in rental expense 23,190 21,504
Amortization of deferred financing costs and original issue discount 23,762 17,530
Amortization of deferred gain and rent (2,580) (2,580)
Gain on early retirement of debt   (3,137)
Loss on disposal of assets 7,942 38,171
Stock-based compensation expense 33,289 28,932
Provision for doubtful accounts 58,554 35,153
Foreign exchange (gain) loss 2,444 (8,836)
Deferred income taxes 61,255 (6,450)
Non-cash contribution from Principal Stockholder included in corporate expense   213
Changes in operating assets and liabilities:    
Accounts receivable (297,370) (104,581)
Inventories (3,046) 543
Prepaid expenses and other 1,409 (6,561)
Leasehold interests in land (22,988) (17,211)
Accounts payable (21,416) 36,285
Accrued interest payable (29,063) 2,464
Income taxes payable 38,038 15,011
Other accrued liabilities (41,890) 141,310
Net cash generated from operating activities 1,081,523 637,905
Cash flows from investing activities:    
Changes in restricted cash and cash equivalents 366,680 22,926
Capital expenditures (720,696) (1,127,268)
Proceeds from disposal of property and equipment 4,416 5,647
Acquisition of intangible assets (575) (43,305)
Purchases of investments   (173,774)
Net cash used in investing activities (350,175) (1,315,774)
Cash flows from financing activities:    
Proceeds from exercise of stock options 14,330 3,923
Proceeds from exercise of warrants 6,760  
Dividends paid to preferred stockholders (38,817) (46,700)
Distributions to noncontrolling interests (5,863)  
Proceeds from long-term debt (Note 3)   596,560
Repayments on long-term debt (Note 3) (259,518) (1,265,218)
Repurchase of preferred stock (5,328)  
Preferred stock inducement premium (16,493)  
Payments of deferred financing costs (57) (54,365)
Net cash used in financing activities (304,986) (765,800)
Effect of exchange rate on cash 15,663 7,088
Increase (decrease) in cash and cash equivalents 442,025 (1,436,581)
Cash and cash equivalents at beginning of period 3,037,081 4,955,416
Cash and cash equivalents at end of period 3,479,106 3,518,835
Supplemental disclosure of cash flow information:    
Cash payments for interest, net of amounts capitalized 149,045 134,979
Cash payments for taxes, net of refunds (5,672) 150
Changes in construction payables (133,492) (24,104)
Non-cash investing and financing activities:    
Capitalized stock-based compensation costs 1,016 1,528
Property and equipment acquired under capital lease   2,802
Accumulated but undeclared dividend requirement on preferred stock issued to Principal Stockholder's family 6,854 6,854
Accretion to redemption value of preferred stock issued to Principal Stockholder's family 46,272 46,272
Acquisition of remaining shares of noncontrolling interest   2,345
Disposition of interest in majority owned subsidiary 829  
Warrants exercised and settled through tendering of preferred stock $ 66,625