Postretirement Plans

9 Months Ended

Sep. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Postretirement Plans

Postretirement Plans

The components of net periodic benefit cost were as follows:

	Nine months ended September 30						Three months ended September 30
Pension Plans	2013			2012			2013			2012
Service cost		$1,414			$1,233			$468			$411
Interest cost	2,175			2,253			713			751
Expected return on plan assets	(2,907		)	(2,874		)	(969		)	(958		)
Amortization of prior service costs	150			168			52			56
Recognized net actuarial loss	1,668			1,452			530			484
Settlement and curtailment loss	104			10			84
Net periodic benefit cost		$2,604			$2,242			$878			$744
Net periodic benefit cost included in Earnings from operations		$2,319			$1,831			$775			$583

	Nine months ended September 30						Three months ended September 30
Other Postretirement Benefit Plans	2013			2012			2013			2012
Service cost		$111			$108			$37			$36
Interest cost	198			237			65			79
Expected return on plan assets	(5		)	(6		)	(1		)	(2		)
Amortization of prior service costs	(135		)	(147		)	(45		)	(49		)
Recognized net actuarial loss	72			90			24			30
Settlement and curtailment gain				(2		)
Net periodic benefit cost		$241			$280			$80			$94
Net periodic benefit cost included in Earnings from operations		$269			$414			$90			$132

During each of the nine-month periods ended September 30, 2013 and 2012, we made discretionary pension contributions of $1,513.