PENSION PLANS (Tables)

12 Months Ended

Dec. 31, 2011

PENSION PLANS

Aggregate net pension expense relating to the two plan types

	Years Ended
	December 31, 2011			December 31, 2010			December 31, 2009
	(In thousands)
Service costs	$	1,289		$	1,577		$	1,477
Interest costs		1,326			1,568			1,469
Amortization of actuarial loss (gain)		67			(49	)		(100	)
Settlement and other related (gains) losses		(726	)		1,149			—
Net pension expenses	$	1,956		$	4,245		$	2,846

Schedule of change in projected benefit obligation and accumulated benefit obligation

	December 31, 2011			December 31, 2010
	(In thousands)
Projected benefit of obligation at beginning of the year	$	26,898		$	28,854
Service costs		1,289			1,577
Interest costs		1,326			1,568
Transfer of obligation upon sale		(91	)		(5,284	)
Settlement		(726	)		—
Amendments and plan transfers		422			693
Actuarial loss		199			2,060
Benefits paid		(182	)		(112	)
Foreign currency exchange rate changes		616			(2,458	)
Projected benefit obligation at end of the year	$	29,751		$	26,898
Accumulated benefit obligation at end of the year	$	24,069		$	23,425

Schedule of actuarial assumptions used to determine benefit obligations for the plans

Actuarial assumptions used to determine benefit obligations for the plans were as follows:

	Years Ended
	December 31, 2011			December 31, 2010			December 31, 2009
Assumed discount rate		4.6-5.3	%		4.7-5.0	%		4.9-5.8	%
Assumed compensation rate of increase		2.5-3.0	%		2.1-4.0	%		2.2-4.0	%

Schedule of future estimated expected benefit payments over the next ten years

Future estimated expected benefit payments over the next ten years are as follows:

Years Ending December 31:
	(In thousands)
2012	$	484
2013		555
2014		506
2015		827
2016		957
2017 through 2021		9,052
	$	12,381