Postretirement Plans (Tables)

3 Months Ended

Mar. 31, 2017

Pension Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Net Periodic Benefit Cost

The components of net periodic benefit cost were as follows:

	Pension						Other Postretirement Benefits
	2017			2016			2017			2016
Service cost		$101			$163			$26			$32
Interest cost	748			764			57			65
Expected return on plan assets	(961		)	(999		)	(2		)	(2		)
Amortization of prior service (credits)/costs	(10		)	10			(34		)	(31		)
Recognized net actuarial loss	201			197			3			6
Settlement/curtailment/other losses	1			15
Net periodic benefit cost		$80			$150			$50			$70
Net periodic benefit cost included in Earnings from operations		$334			$629			$85			$88

Other Postretirement Benefit Plan, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Net Periodic Benefit Cost

	Pension						Other Postretirement Benefits
	2017			2016			2017			2016
Service cost		$101			$163			$26			$32
Interest cost	748			764			57			65
Expected return on plan assets	(961		)	(999		)	(2		)	(2		)
Amortization of prior service (credits)/costs	(10		)	10			(34		)	(31		)
Recognized net actuarial loss	201			197			3			6
Settlement/curtailment/other losses	1			15
Net periodic benefit cost		$80			$150			$50			$70
Net periodic benefit cost included in Earnings from operations		$334			$629			$85			$88