Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Employee Benefit Plans.

Schedule of expense recognized related to the 401(k) Plan

	For the Years Ended December 31,
Expense Recognized Related to the 401(k) Plan	2012		2011		2010
	(In thousands)
Matching contributions, net of forfeitures	$	2,750	$	1,521	$	1,598
Discretionary stock contributions, net of forfeitures	$	23,772	$	22,331	$	24,954