Note 8. Pension and Postretirement Benefits Other than Pensions Level 1 (Notes)

6 Months Ended

Jun. 30, 2011

Pension and Postretirement Benefits Other Than Pensions [Abstract]

Pension and Postretirement Benefits Other Than Pensions [Text Block]

Pension and Postretirement Benefits Other than Pensions —

Pension Benefits

The Company has defined benefit plans covering a significant number of its employees. The benefits under these plans are based primarily on years of service and compensation levels. Pension expense for the three and six months endedJune 30, 2011 and 2010 for the defined benefit plans consists of the following components:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Service cost	$	947		$	851		$	1,957		$	1,799
Interest cost	3,301			3,108			6,556			6,359
Expected return on plan assets	(3,293		)	(2,628		)	(6,457		)	(5,357		)
Amortization of prior service cost	(71		)	(64		)	(138		)	(137		)
Amortization of net loss	912			745			1,967			1,425
Pension settlement charge	—			—			—			1,541
Net periodic pension expense	$	1,796		$	2,012		$	3,885		$	5,630

A former executive of the Company received a lump sum distribution during the six months ended June 30, 2010, which resulted in settlement expense of $1,541.

Postretirement Benefits

The Company provides health benefits for certain retired employees and certain dependents when the employee becomes eligible for these benefits by satisfying plan provisions that include certain age and service requirements.

The components of the postretirement benefit expense of the Company-sponsored plans for the three and six months endedJune 30, 2011 and 2010 are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Service cost	$	46		$	54		$	96		$	108
Interest cost	679			661			1,329			1,323
Amortization of prior service cost	(32		)	(32		)	(64		)	(64		)
Amortization of net loss	445			267			927			534
Postretirement benefit expense	$	1,138		$	950		$	2,288		$	1,901