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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2014
FAIR VALUE MEASUREMENTS [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
The following tables summarize the Company's assets and liabilities that are measured at fair value on a recurring basis (in thousands):
 
 
 
Fair Value Measurement at Reporting Date Using
Description
December 31, 2014
 
Quoted Prices in Active Markets for
Identical Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Assets:
 
 
 
 
 
 
 
Cash equivalents
$
440,596

 
$
440,596

 
$
—

 
$
—

Available-for-sale securities:
 
 
 
 
 
 
 
Convertible debt securities
2,527

 
—

 
—

 
2,527

Redeemable preferred shares
4,910

 
—

 
—

 
4,910

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
 Contingent consideration
1,983

 
—

 
—

 
1,983

 
 
 
Fair Value Measurement at Reporting Date Using
Description
December 31, 2013
 
Quoted Prices in Active Markets for
Identical Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Assets:
 
 
 
 
 
 
 
Cash equivalents
$
585,514

 
$
585,514

 
$
—

 
$
—

Available-for-sale securities:
 
 
 
 
 
 
 
Convertible debt securities
3,174

 
—

 
—

 
3,174

Redeemable preferred shares
—

 
—

 
—

 
—

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
 Contingent consideration
606

 
—

 
—

 
606
Fair Value, Assets and Liabilities, Reconciliation of Level 3 Inputs [Table Text Block]
 
 
 
Fair Value Measurement at Reporting Date Using
Description
December 31, 2013
 
Quoted Prices in Active Markets for
Identical Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Assets:
 
 
 
 
 
 
 
Cash equivalents
$
585,514

 
$
585,514

 
$
—

 
$
—

Available-for-sale securities:
 
 
 
 
 
 
 
Convertible debt securities
3,174

 
—

 
—

 
3,174

Redeemable preferred shares
—

 
—

 
—

 
—

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
 Contingent consideration
606

 
—

 
—

 
606


The following table provides a roll-forward of the fair value of recurring Level 3 fair value measurements for the years ended December 31, 2014, 2013 and 2012 (in thousands):
 
 
Year Ended December 31,
 
 
2014
 
2013
 
2012
Assets
 
 
 
 
 
 
Available-for-sale securities
 
 
 
 
 
 
Convertible debt securities:
 
 
 
 
 
 
Beginning Balance
 
$
3,174

 
$
3,087

 
$
—

Purchases of convertible debt securities
 
—

 
370

 
3,000

Total gains (losses) included in other comprehensive income
 
693

 
(283
)
 
87

Total gains (losses) included in other expense, net
 
(1,340
)
 
—

 
—

Ending Balance
 
$
2,527

 
$
3,174

 
$
3,087

Unrealized (losses) gains still held(1)
 
$
(647
)
 
$
(283
)
 
$
87

Redeemable preferred shares:
 
 
 
 
 
 
Beginning Balance
 
$
—

 
$
42,539

 
$
—

Acquisitions of preferred shares in exchange transactions (See note 6)
 
—

 
34,982

 
56,940

Purchase of redeemable preferred shares
 
4,599

 
8,000

 
—

Total gains included in other comprehensive income
 
311

 
—

 
—

Other-than-temporary impairments included in earnings
 
—

 
(85,521
)
 
(14,401
)
Ending Balance
 
$
4,910

 
$
—

 
$
42,539

Unrealized (losses) gains still held(1)
 
$
311

 
$
(85,521
)
 
$
(14,401
)
 
 
 
 
 
 
 
Liabilities
 
 
 
 
 
 
Contingent Consideration:
 
 
 
 
 
 
Beginning Balance
 
$
606

 
$
7,601

 
$
11,230

Issuance of contingent consideration in connection with acquisitions
 
4,388

 
3,567

 
3,400

Settlements of contingent consideration liabilities
 
(424
)
 
(4,377
)
 
(4,936
)
Reclass to non-fair value liabilities when no longer contingent
 
(143
)
 
(3,014
)
 
(4,978
)
Total (gains) losses included in earnings(2)
 
(2,444
)
 
(3,171
)
 
897

Reclass of contingent consideration from Level 2 to Level 3
 
—

 
—

 
1,988

Ending Balance
 
$
1,983

 
$
606

 
$
7,601

Unrealized (gains) losses still held(1)
 
$
(2,405
)
 
$
360

 
$
211

(1)
Represents the unrealized losses or gains recorded in earnings and/or other comprehensive income (loss) during the period for assets and liabilities classified as Level 3 that are still held (or outstanding) at the end of the period.
(2)
Changes in the fair value of contingent consideration liabilities are classified within "Acquisition-related expense (benefit), net" on the consolidated statements of operations.
Fair Value Measurements, Nonrecurring [Table Text Block]
The following table summarizes the Company's assets that were measured at fair value on a nonrecurring basis as of December 31, 2012 (in thousands):
 
 
 
Fair Value Measurement at Reporting Date Using
Description
December 31, 2012
 
Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
Asset impairments:
 
 
 
 
 
 
 
Cost method investment in Life Media Limited (F-tuan) common shares
$
34,982

 
$
—

 
$
—

 
$
34,982

Equity method investment
$
495

 
$
—

 
$
—

 
$
495
Fair Value of Financial Assets and Liabilities not Measured at Fair Value [Table Text Block]
The following table presents the carrying amounts and fair values of financial instruments that are not carried at fair value in the consolidated financial statements (in thousands):
 
 
December 31, 2014
 
December 31, 2013
 
 
Carrying Amount
 
Fair Value
 
Carrying Amount
 
Fair Value
Cost method investments
 
$
15,630

 
$
16,134

 
$
15,788

 
$
15,573