Quarterly report pursuant to Section 13 or 15(d)

Derivative Contracts (Details)

v2.4.0.8
Derivative Contracts (Details) (Not Designated as Hedging Instrument [Member], USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Note Receivable and Purchase Option [Member] | Prepaid Expenses and Other Current Assets [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value $ 0 $ 6,151
Common stock options/warrants [Member] | Investments, net [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value 5,980 5,988
Embedded conversion option | 2033 Senior Notes, net of discount and estimated fair value of embedded derivatives [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value 52,964 101,087
Forward contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value 3,624 1,585
Forward contracts [Member] | Current portion of lines of credit and notes payable [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value $ 3,624 [1] $ 1,585 [1]
[1] The loss on forward contracts is recorded in Accrued expenses. The gain on the forward contracts is recorded in Prepaid expenses and other current assets.