Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

Postretirement Benefit Plans [Abstract]

Components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	UNITED STATES						UNITED KINGDOM
	Three Months Ended March  31						Three Months Ended March  31
(In thousands)	2013			2012			2013			2012
Interest cost	$	1,607		$	1,736		$	223		$	209
Expected return on plan assets		(2,202	)		(2,102	)		(234	)		(220	)
Amortization of net actuarial loss		1,306			931			71			11
Net periodic benefit cost	$	711		$	565		$	60		$	—