Pension, Postretirement and Postemployment Benefits (Tables)

12 Months Ended

Dec. 31, 2012

Pension, Postretirement and Postemployment Benefits

	Pension Benefits
	2012			2011
	(In thousands)
Change in benefit obligation:
Benefit obligation at beginning of year	$	26,659		$	20,628
Remeasurement	—			1,517
Interest cost	1,116			1,198
Actuarial loss (gain)	2,107			3,975
Benefit payments	(677		)	(659		)
Benefit obligation at end of year (1)	$	29,205		$	26,659

Change in plan assets:
Fair value of plan assets at beginning of year	$	16,352		$	15,219
Actual (loss) returns on plan assets	1,598			480
Employer contributions	1,507			1,312
Benefit payments	(677		)	(659		)
Fair value of plan assets at end of year	$	18,780		$	16,352

Funded status:
Underfunded status at end of year	$	(10,425	)	$	(10,307	)
Amounts recognized in consolidated balance sheets:
Other long-term liabilities	$	(10,425	)	$	(10,307	)

(1) As of December 31, 2012 and 2011, the accumulated benefit obligation was the same as the projected benefit obligation.

	Year Ended December 31,
	2012			2011			2010
	(In thousands)
Components of net periodic benefit cost (recognized in our consolidated statements of income):
Interest cost	$	1,116		$	1,198		$	1,116
Expected return on plan assets	(1,086		)	(1,008		)	(909		)
Recognized net actuarial loss	1,034			628			457
Net periodic benefit cost	$	1,064		$	818		$	664

Weighted-average assumptions:
Weighted-average discount rates	3.75		%	4.25		%	5.50		%
Expected long-term rate of return on plan assets	6.50		%	6.50		%	6.50		%

Investments within the fair value of Pool Pension Plan

	Fair Value as of December 31, 2012
	Level 1		Level 2		Level 3		Total
	(In thousands)
Assets: (1)
Cash	$	—	$	520	$	—	$	520
Short-term investments:
Available-for-sale equity securities (2)	—		10,361		—		10,361
Available-for-sale debt securities (3)	—		7,899		—		7,899
Total investments	—		18,260		—		18,260
Total	$	—	$	18,780	$	—	$	18,780

(1) Includes investments in collective trust funds that are valued based on the fair value of the underlying investments using quoted prices in active markets or other significant inputs that are deemed observable.

(2) Includes funds that invest primarily in U.S. common stocks and foreign equity securities.

(3) Includes funds that invest primarily in investment grade debt.

Weighted-average asset allocations of Pool Pension Plan

Our weighted-average asset allocations as of December 31, 2012 and 2011, by asset category are as follows:

	Pension Benefits
	2012		2011

Cash	3	%	2	%
Equity securities	55	%	56	%
Debt securities	42	%	42	%
Total	100	%	100	%

Benefits paid for five years thereafter

As of December 31, 2012, we expect that benefits to be paid in each of the next five years after 2012 and in the aggregate for the five years thereafter will be as follows:

	(In thousands)
2013	$	939
2014	1,055
2015	1,159
2016	1,237
2017	1,348
2018 - 2022	8,081
	$	13,819