Pension Plans And Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2017

Pension Plans And Other Postretirement Benefits [Abstract]

Components Of Net Periodic Benefit Costs

	Pension Benefits
	Three Months Ended
	March 31,
	2017		2016
Service cost	$	794	$	826
Interest cost		3,108		3,285
Expected return on plan assets		(4,270)		(4,266)
Amortization of prior service cost		145		145
Amortization of actuarial loss		2,001		1,760
Settlement charge		-		3,028
Special termination benefit charge		-		302
Net periodic benefit cost	$	1,778	$	5,080
	Other
	Postretirement Benefits
		Three Months Ended
		March 31,
	2017		2016
Service cost	$	255	$	255
Interest cost		737		750
Expected return on plan assets		(647)		(711)
Amortization of prior service cost		(127)		(137)
Amortization of actuarial loss		291		267
Net periodic benefit cost	$	509	$	424