Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt

Long-term debt

	As of December 31,
	2018		2017
	(In thousands)
6.15% senior notes due February 2018	$	—	$	460,762
9.25% senior notes due January 2019		—		303,489
5.00% senior notes due September 2020		614,748		669,846
4.625% senior notes due September 2021		668,347		695,108
5.50% senior notes due January 2023		586,000		600,000
5.10% senior notes due September 2023		342,923		346,576
0.75% senior exchangeable notes due January 2024		450,689		429,982
5.75% senior notes due February 2025		791,502		—
2012 Revolving credit facility		170,000		510,000
2018 Revolving credit facility		—		—
Commercial paper		—		40,000
Other		561		181
		3,624,770		4,055,944
Less: current portion		561		181
Less: deferred financing costs		38,325		27,997
	$	3,585,884	$	4,027,766

Maturity of primary debt

As of December 31, 2018, the principal amount and maturities of our primary debt for each of the five years after 2018 and thereafter are as follows:

	Paid at Maturity
	(In thousands)
2019	$	—
2020		785,271	(1)
2021		668,999	(2)
2022		—
2023		929,519	(3)
Thereafter		1,366,502	(4)
	$	3,750,291

(1) Represents our 5.0% senior notes due September 2020 and amounts outstanding under our 2012 Revolving Credit Facility due July 2020.

(2) Represents our 4.625% senior notes due September 2021.

(3) Represents our 5.50% senior notes due January 2023 and 5.10% senior notes due September 2023.

(4) Represents our 0.75% senior exchangeable notes due January 2024 and 5.75% senior notes due February 2025.

Short-Term Borrowings

	December 31,
	2018
	(In thousands)
Credit available	$	759,321
Less: Letters of credit outstanding, inclusive of financial and performance guarantees		105,036
Remaining availability	$	654,285