Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

v2.4.0.6
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Allowances on accounts receivable, current $ 5,034 $ 3,763
Accumulated depreciation on property and equipment 563,860 519,808
Accumulated amortization on other intangible assets $ 183,145 $ 164,401
Common stock, par value $ 0.00001 $ 0.00001
Common stock, shares authorized 600,000,000 600,000,000
Common stock, shares issued 220,775,240 217,479,462
Common stock, shares outstanding 209,211,829 206,203,005
Treasury stock, common shares 11,563,411 11,276,457
Exchangeable Shares [Member]
   
Exchangeable shares, par value      
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
Series F Preferred Stock [Member]
   
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