Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt [Abstract]

Long-term debt

	December 31, 2011		December 31, 2010
	(In thousands)
5.375% senior notes due August 2012	$	274,604	$	273,977
6.15% senior notes due February 2018		967,490		966,276
9.25% senior notes due January 2019		1,125,000		1,125,000
5.00% senior notes due September 2020		697,343		697,037
4.625% senior notes due September 2021		697,667		—
0.94% senior exchangeable notes due May 2011		—		1,378,178
Revolving credit facilities		860,000		—
Other		1,712		2,676
		4,623,816		4,443,144
Less: current portion		275,326		1,379,018
	$	4,348,490	$	3,064,126

Maturity of primary debt

	Paid at Maturity
	(In thousands)
2012	$	275,000	(1)
2013		—
2014		860,000	(2)
2015		—
2016		—
Thereafter		3,500,000	(3)
	$	4,635,000

(1) Represents our 5.375% senior notes due August 2012.

(2) Represents amounts drawn on revolving credit facilities, which expire September 2014.

(3) 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

	December 31,
	2011			2010
	(In thousands)
Credit available	$	215,901		$	270,263
Letters of credit outstanding, inclusive of financial and performance guarantees		(80,408	)		(70,605	)
Remaining availability	$	135,493		$	199,658