Debt and Letters of Credit (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of Debt

Debt consisted of the following:

(in thousands)	September 30, 2021		December 31, 2020
Borrowings under credit facility	$	—	$	—
Current:
Other borrowings	$	4,639	$	4,890
Long-term:
Senior Notes
2023 Notes	$	196,589	$	611,250
Unamortized discount on 2023 Notes	(61)		(283)
Unamortized deferred financing costs	(257)		(1,203)
2024 Notes	381,014		500,000
Unamortized discount on 2024 Notes	(1,316)		(2,130)
Unamortized deferred financing costs	(1,032)		(1,670)
2028 Notes	600,000		600,000
Unamortized discount on 2028 Notes	(886)		(981)
Unamortized deferred financing costs	(3,507)		(3,885)
Total long-term	$	1,170,544	$	1,701,098