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Note 8 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Fair Value, by Balance Sheet Grouping [Table Text Block]
  

September 30, 2021

 

(In thousands)

 

Balance

  

Level 1

  

Level 2

  

Level 3

 

Assets

                

Cash and cash equivalents

 $570,926  $570,926  $  $ 

Restricted cash

  17,392   17,392       

Investment available for sale

  16,063         16,063 
                 

Liabilities

                

Contingent payments

 $280  $  $  $280 
  

December 31, 2020

 

(In thousands)

 

Balance

  

Level 1

  

Level 2

  

Level 3

 

Assets

                

Cash and cash equivalents

 $519,182  $519,182  $  $ 

Restricted cash

  15,817   15,817       

Investment available for sale

  16,692         16,692 
                 

Liabilities

                

Contingent payments

 $924  $  $  $924 
Fair Value Asset (Liability) Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block]
  

Three Months Ended

 
  

September 30, 2021

  

September 30, 2020

 
  

Asset

  

Liability

  

Asset

  

Liability

 

(In thousands)

 

Investment Available for Sale

  

Contingent Payments

  

Investment Available for Sale

  

Contingent Payments

 

Balance at beginning of reporting period

 $15,696  $(489) $16,867  $(1,275)

Total gains (losses) (realized or unrealized):

                

Included in interest income (expense)

  39   (4)  38   (18)

Included in other comprehensive income (loss)

  328      322    

Included in other items, net

     18      (59)

Purchases, sales, issuances and settlements:

                

Settlements

     195      206 

Balance at end of reporting period

 $16,063  $(280) $17,227  $(1,146)
  

Nine Months Ended

 
  

September 30, 2021

  

September 30, 2020

 
  

Asset

  

Liability

  

Asset

  

Liability

 

(In thousands)

 

Investment Available for Sale

  

Contingent Payments

  

Investment Available for Sale

  

Contingent Payments

 

Balance at beginning of reporting period

 $16,692  $(924) $16,151  $(1,712)

Total gains (losses) (realized or unrealized):

                

Included in interest income (expense)

  121   (26)  116   (66)

Included in other comprehensive income (loss)

  (160)     1,510    

Included in other items, net

     21      162 

Purchases, sales, issuances and settlements:

                

Settlements

  (590)  649   (550)  470 

Balance at end of reporting period

 $16,063  $(280) $17,227  $(1,146)
Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]
  

September 30, 2021

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Liabilities

             

Obligation under assessment arrangements

 $24,730  $21,005  $26,551 

Level 3

  

December 31, 2020

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Liabilities

             

Obligation under assessment arrangements

 $26,246  $22,062  $26,542 

Level 3

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

September 30, 2021

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Bank credit facility

 $878,011  $868,294  $876,757 

Level 2

4.750% senior notes due 2027

  1,000,000   987,825   1,030,000 

Level 1

8.625% senior notes due 2025

  600,000   591,273   648,750 

Level 1

4.750% senior notes due 2031

  900,000   885,921   925,875 

Level 1

Other

  1,398   1,398   1,398 

Level 3

Total debt

 $3,379,409  $3,334,711  $3,482,780  
  

December 31, 2020

(In thousands)

 

Outstanding Face Amount

  

Carrying Value

  

Estimated Fair Value

 

Fair Value Hierarchy

Bank credit facility

 $896,185  $882,789  $888,511 

Level 2

6.375% senior notes due 2026

  750,000   743,053   778,125 

Level 1

6.000% senior notes due 2026

  700,000   692,151   728,000 

Level 1

4.750% senior notes due 2027

  1,000,000   986,364   1,038,750 

Level 1

8.625% senior notes due 2025

  600,000   589,488   667,500 

Level 1

Other

  3,638   3,638   3,638 

Level 3

Total debt

 $3,949,823  $3,897,483  $4,104,524