Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v2.4.0.6
CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Current assets    
Accounts receivable, allowance for doubtful accounts $ 16,986 $ 10,898
Stockholders' equity    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, share authorized (in shares) 30,000,000 30,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 450,000,000 450,000,000
Common stock, shares issued (in shares) 189,536,279 175,418,857
Common stock, shares outstanding (in shares) 189,536,279 175,418,857
Treasury stock (in shares) 578,570 1,271,519
Series A Preferred Stock [Member]
   
Stockholders' equity    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, share authorized (in shares) 20,000,000 20,000,000