Employee Benefit Plans (Notes)

9 Months Ended

Sep. 30, 2012

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Employee Benefit Plans [Text Block]

12. EMPLOYEE BENEFIT PLANS

The Company has four qualified non-contributory defined benefit pension plans covering a significant majority of its employees and an unfunded plan that provides benefits in excess of amounts allowable under current tax law in the qualified plans. Currently, all qualified plans are closed to new participants. Employee benefit plan liabilities are calculated using actuarial estimates and management assumptions. These estimates are based on historical information, along with certain assumptions about future events. Changes in assumptions, as well as changes in actual experience, could cause the estimates to change.

The net pension and postretirement benefit costs that have been recognized during the stated periods are shown in the following tables:

	Pension						Postretirement
	Three Months Ended September 30,						Three Months Ended September 30,
	2012			2011			2012		2011
Components of Net Periodic Benefit Cost
Service cost	$	2,102		$	1,695		$	227	$	99
Interest cost	4,321			4,522			242		257
Expected return on plan assets	(6,369		)	(6,455		)	—		—
Amortization of prior service cost	327			340			6		49
Amortization of losses	4,394			2,593			156		296
Net periodic benefit cost	$	4,775		$	2,695		$	631	$	701

	Pension						Postretirement
	Nine Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012		2011
Components of Net Periodic Benefit Cost
Service cost	$	6,143		$	5,086		$	664	$	463
Interest cost	12,630			13,566			706		729
Expected return on plan assets	(18,618		)	(19,366		)	—		—
Amortization of prior service cost	956			1,020			18		93
Amortization of losses	12,846			7,779			455		428
Net periodic benefit cost	$	13,957		$	8,085		$	1,843	$	1,713

In 2012, the Company has no mandatory pension contribution requirements and does not expect to make any discretionary contributions.