CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT - USD ($)
$ in Thousands
Total
Non-controlling Interest
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Accumulated Other Comprehensive Loss
Treasury Stock
Class A Common Shares Issued
Class B Common Shares Issued
Beginning balance (in shares) at Dec. 31, 2014               45,231,282 315,000,000
Beginning balance at Dec. 31, 2014 $ (162,594) $ 197,294 $ 3,602 $ 4,167,491 $ (4,188,623) $ (341,166) $ (1,192)    
Increase (Decrease) in Stockholders' Equity                  
Net income (loss) (58,715) 24,629     (83,344)        
Exercise of stock options and other (in shares)               1,429,832  
Exercise of stock options and other 2,886   15 3,783     (912)    
Share-based payments 8,502     8,502          
Dividends and other payments to noncontrolling interests (30,870) (30,870)              
Dividend declared and paid (217,796)     (217,796)          
Other 1,637 1,701   (64)          
Other comprehensive income (loss) (121,687) (10,885)       (110,802)      
Ending balance (in shares) at Dec. 31, 2015               46,661,114 315,000,000
Ending balance at Dec. 31, 2015 (578,637) 181,869 3,617 3,961,916 (4,271,967) (451,968) (2,104)    
Increase (Decrease) in Stockholders' Equity                  
Net income (loss) 157,877 22,807     135,070        
Exercise of stock options and other (in shares)               1,286,009  
Exercise of stock options and other (1,366)   12 624     (2,002)    
Share-based payments 10,291     10,291          
Disposal of noncontrolling interest (36,846) (36,846)              
Dividends and other payments to noncontrolling interests (16,917) (16,917)              
Dividend declared and paid (540,034)     (540,034)          
Other 623 1,299   (676)          
Other comprehensive income (loss) 57,697 (8,038)       65,735      
Ending balance (in shares) at Dec. 31, 2016               47,947,123 315,000,000
Ending balance at Dec. 31, 2016 (947,312) 144,174 3,629 3,432,121 (4,136,897) (386,233) (4,106)    
Increase (Decrease) in Stockholders' Equity                  
Net income (loss) $ (626,210) 18,138     (644,348)        
Exercise of stock options and other (in shares) 71,000             2,008,177  
Exercise of stock options and other $ (1,468)   21 198     (1,687)    
Share-based payments 9,590 931   8,659          
Disposal of noncontrolling interest (2,439) (2,439)              
Dividends and other payments to noncontrolling interests (12,010) (12,010)              
Dividend declared and paid (332,498)     (332,498)          
Other (1,035) 703   (332)          
Other comprehensive income (loss) 55,088 8,949       46,139      
Ending balance (in shares) at Dec. 31, 2017               49,955,300 315,000,000
Ending balance at Dec. 31, 2017 $ (1,858,294) $ 157,040 $ 3,650 $ 3,108,148 $ (4,781,245) $ (340,094) $ (5,793)