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Note 8 - Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Fair Value, by Balance Sheet Grouping [Table Text Block]
  

June 30, 2020

 

(In thousands)

 

Balance

  

Level 1

  

Level 2

  

Level 3

 

Assets

                

Cash and cash equivalents

 $1,308,347  $1,308,347  $  $ 

Restricted cash

  17,086   17,086       

Investment available for sale

  16,867         16,867 
                 

Liabilities

                

Contingent payments

 $1,275  $  $  $1,275 
  

December 31, 2019

 

(In thousands)

 

Balance

  

Level 1

  

Level 2

  

Level 3

 

Assets

                

Cash and cash equivalents

 $249,977  $249,977  $  $ 

Restricted cash

  20,471   20,471       

Investment available for sale

  16,151         16,151 
                 

Liabilities

                

Contingent payments

 $1,712  $  $  $1,712 
Fair Value Asset (Liability) Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block]
  

Three Months Ended

 
  

June 30, 2020

  

June 30, 2019

 
  

Assets

  

Liability

  

Assets

  

Liability

 

(In thousands)

 

Investment Available for Sale

  

Contingent Payments

  

Investment Available for Sale

  

Contingent Payments

 

Balance at beginning of reporting period

 $17,745  $(1,520) $16,452  $(2,280)

Total gains (losses) (realized or unrealized):

                

Included in interest income (expense)

  39   (22)  37   (36)

Included in other comprehensive income (loss)

  (367)     (16)   

Included in other items, net

     238      4 

Purchases, sales, issuances and settlements:

                

Settlements

  (550)  29   (510)  240 

Balance at end of reporting period

 $16,867  $(1,275) $15,963  $(2,072)
  

Six Months Ended

 
  

June 30, 2020

  

June 30, 2019

 
  

Assets

  

Liability

  

Assets

  

Liability

 

(In thousands)

 

Investment Available for Sale

  

Contingent Payments

  

Investment Available for Sale

  

Contingent Payments

 

Balance at beginning of reporting period

 $16,151  $(1,712) $15,772  $(2,407)

Total gains (losses) (realized or unrealized):

                

Included in interest income (expense)

  78   (48)  75   (76)

Included in other comprehensive income (loss)

  1,188      626    

Included in other items, net

     221      (61)

Purchases, sales, issuances and settlements:

                

Settlements

  (550)  264   (510)  472 

Balance at end of reporting period

 $16,867  $(1,275) $15,963  $(2,072)
Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]
  

June 30, 2020

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Liabilities

             

Obligation under assessment arrangements

 $27,196  $22,695  $27,651 

Level 3

  

December 31, 2019

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Liabilities

             

Obligation under assessment arrangements

 $28,118  $23,300  $28,780 

Level 3

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
  

June 30, 2020

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Bank credit facility

 $1,925,887  $1,912,892  $1,873,297 

Level 2

6.375% senior notes due 2026

  750,000   742,391   712,500 

Level 1

6.000% senior notes due 2026

  700,000   691,454   652,750 

Level 1

4.750% senior notes due 2027

  1,000,000   985,390   860,000 

Level 1

8.625% senior notes due 2025  600,000   588,298   625,500 Level 1

Other

  457   457   457 

Level 3

Total debt

 $4,976,344  $4,920,882  $4,724,504  
  

December 31, 2019

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Bank credit facility

 $1,305,634  $1,290,708  $1,308,846 

Level 2

6.375% senior notes due 2026

  750,000   741,729   806,250 

Level 1

6.000% senior notes due 2026

  700,000   690,756   750,750 

Level 1

4.750% senior notes due 2027

  1,000,000   984,416   1,038,750 

Level 1

Other

  58,322   58,322   58,322 

Level 3

Total debt

 $3,813,956  $3,765,931  $3,962,918