Postretirement Plans (Tables)

3 Months Ended

Mar. 31, 2013

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

The components of net periodic benefit cost were as follows:

	Pension						Other Postretirement Benefits
Three months ended March 31,	2013			2012			2013			2012
Service cost		$473			$411			$37			$36
Interest cost	731			751			67			79
Expected return on plan assets	(969		)	(958		)	(2		)	(2		)
Amortization of prior service costs	49			56			(45		)	(49		)
Recognized net actuarial loss	569			484			24			30
Settlement and curtailment loss/(gain)	20			7						(2		)
Net periodic benefit cost		$873			$751			$81			$92
Net periodic benefit cost included in Earnings from operations		$791			$655			$91			$149