Consolidated Balance Sheets (Parentheticals) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Allowance for Doubtful Accounts Receivable, Current $ 6,758 $ 7,899
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 81,012 64,048
Accumulated Amortization $ 260,501 $ 178,188
Common Stock, Par or Stated Value Per Share $ 0 $ 0
Common Stock, Shares, Issued 206,130,872 205,399,102
Common Stock, Shares, Outstanding 206,130,872 205,399,102