Impairments and Other Charges (Tables)

12 Months Ended

Dec. 31, 2011

Impairments and Other Charges [Abstract]

Components of impairments and other charges

	Year Ended December 31,
	2011		2010		2009
	(In thousands)
Provision for termination payment	$	100,000	$	—	$	—
Provision for retirement of long-lived assets		98,072		23,213		64,229
Impairment of long-lived assets		—		27,372		—
Goodwill impairments		—		10,707		—
Other-than-temporary impairment of equity security		—		—		18,665
Other-than-temporary impairment of debt security		—		—		40,300
Less other-than-temporary impairment recognized in accumulated other comprehensive income (loss)		—		—		(4,651	)
Credit-related impairment of investment		—		—		35,649
Impairments and other charges	$	198,072	$	61,292	$	118,543