Consolidated Balance Sheets (Parentheticals) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 4,642 $ 5,860
Property and equipment, accumulated depreciation 131,729 103,858
Other intangible assets, accumulated amortization $ 471,246 $ 363,546
Common stock issued (in shares) 207,411,365 206,305,070
Common stock outstanding (in shares) 207,411,365 206,305,070