XML 19 R3.htm IDEA: XBRL DOCUMENT v3.19.2
Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Statement Of Financial Position [Abstract]    
Receivables, allowance for doubtful accounts $ 68,991 $ 60,348
Other intangible assets, accumulated amortization $ 1,270,236 $ 1,180,393
Class A common stock, par value $ 0.01 $ 0.01
Class A common stock, shares authorized 525,000,000 525,000,000
Class A common stock, shares issued 336,329,975 336,912,783
Class A common stock, shares outstanding 336,329,975 336,912,783