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Debt Obligations (Tables)
6 Months Ended
Jun. 30, 2022
Debt Obligations [Abstract]  
Schedule of debt obligations
  
 
As of
(in thousands)
 
June 30,
2022
 
December 31, 2021
Credit Facility:
 
 
 
 
Revolving credit agreement
 
$
497,100
 
$
283,400









Uncommitted Credit Agreements


450,000




Convertible Debt:
 
 
 
 
0.75% convertible notes, unsecured, due 2049
 
525,000
 
468,235
 
 
 
 
 
1.375% Senior Notes, due 2026
 
628,920
 
682,080
 
 
 
 
 
Other obligations
 
396
 
920
 
 
 
 
 
Total debt obligations
 
2,101,416
 
1,434,635
Unamortized debt issuance costs
 
(12,434
)
 
(13,729
)
Carrying value of debt
 
2,088,982
 
1,420,906
Short-term debt obligations and current maturities of long-term debt obligations 
 
(450,319
)
 
(821
)
Long-term debt obligations
 
$
1,638,663
 
$
1,420,085