Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt

Long-term debt

	As of December 31,
	2012		2011
	(In thousands)
6.15% senior notes due February 2018	$	968,708	$	967,490
9.25% senior notes due January 2019	1,125,000		1,125,000
5.00% senior notes due September 2020	697,648		697,343
4.625% senior notes due September 2021	697,907		697,667
5.375% senior notes due August 2012	—		274,604
Revolving credit facilities	890,000		860,000
Other	437		1,712
	$	4,379,700	$	4,623,816
Less: current portion	364		275,326
	$	4,379,336	$	4,348,490

Maturity of primary debt

As of December 31, 2012, the maturities of our primary debt for each of the five years after 2012 and thereafter are as follows:

	Paid at Maturity
	(In thousands)
2013	$	—
2014	—
2015	—
2016	—
2017	890,000		(1)
Thereafter	3,500,000		(2)
	$	4,390,000

(1) Represents amounts drawn on our revolving credit facility, which expires November 2017.

(2) Represents our 6.15% senior notes due February 2018, 9.25% senior notes due January 2019, 5.0% senior notes due September 2020 and 4.625% senior notes due September 2021.

Short-Term Borrowings

We had nine letter-of-credit facilities with various banks as of December 31, 2012. Availability and borrowings under our letter-of-credit facilities are as follows:

	(In thousands)
Credit available	$	358,649
Less: Letters of credit outstanding, inclusive of financial and performance guarantees	57,303
Remaining availability	$	301,346