Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

 v2.3.0.11
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data
Jun. 30, 2011
Dec. 31, 2010
Current Assets:    
Allowances on accounts receivable $ 6,086 $ 6,105
Accumulated depreciation on property and equipment 481,690 428,025
Accumulated amortization on other intangible assets $ 148,006 $ 134,735
Equity:    
Common stock, par value $ 0.00001 $ 0.00001
Common stock, shares authorized 600,000,000 300,000,000
Common stock, shares issued 215,358,737 213,981,415
Common stock, shares outstanding 207,322,265 211,138,091
Treasury stock, common shares 8,036,472 2,843,324
Exchangeable Shares
    
Equity:    
Common stock, par value $ 0 $ 0
Common stock, shares authorized 3,909,110 3,909,110
Common stock, shares issued 3,909,110 3,909,110
Common stock, shares outstanding 3,909,110 3,909,110
Limited Vote Common Stock
    
Equity:    
Common stock, par value   $ 0.00001
Common stock, shares authorized 0 3,345,333
Common stock, shares issued 0 432,485
Common stock, shares outstanding 0 432,485
Series F Preferred Stock
    
Equity:    
Preferred stock, par value $ 0.00001 $ 0.00001
Preferred stock, shares authorized 1 1
Preferred stock, shares issued 1 1
Preferred stock, shares outstanding 1 1