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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Allowances on accounts receivable, current $ 5,008 $ 2,752
Accumulated depreciation on property and equipment 894,093 862,825
Accumulated amortization on other intangible assets $ 305,140 $ 297,313
Common stock, par value $ 0.00001 $ 0.00001
Common stock, shares authorized 600,000,000 600,000,000
Common stock, shares issued 148,560,886 144,710,773
Common stock, shares outstanding 148,109,496 144,710,773
Treasury stock, common shares 451,390 0
Exchangeable Shares [Member]    
Exchangeable Shares, par value
Common stock, shares issued 3,986,112 6,515,453
Common stock, shares outstanding 3,986,112 6,515,453
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
Series G 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