Defined Benefit Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2014

Defined Benefit Postretirement Plans [Abstract]

Components of Net Periodic Pension Benefits and Other Benefit Costs

	Pension Benefits								Other Benefits
	Three months ended September 30,								Three months ended September 30,
Components of net periodic (benefit) cost:	2014				2013				2014				2013
Service cost		$	587			$	604			$	4			$	6
Interest cost			1,040				830				90				75
Expected return on plan assets			(2,175	)			(1,929	)			-				-
Net amortization			25				711				(6	)			(2	)
Total cost (benefit)		$	(523	)		$	216			$	88			$	79

	Pension Benefits								Other Benefits
	Nine months ended September 30,								Nine months ended September 30,
Components of net periodic (benefit) cost:	2014				2013				2014				2013
Service cost		$	1,761			$	1,813			$	12			$	18
Interest cost			3,120				2,489				270				224
Expected return on plan assets			(6,525	)			(5,786	)			-				-
Net amortization			75				2,025				(18	)			219
Total cost (benefit)		$	(1,569	)		$	541			$	264			$	461