Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Employee Benefit Plans [Abstract]

Schedule of periodic costs for employee retirement benefit plan

	(In Thousands)
	Pension Benefits						Other Benefits
	Three Months Ended June 30,
	2015			2014			2015			2014
Service Cost	$	639		$	474		$	343		$	258
Interest Cost		724			671			480			448
Expected Return on Assets		(980	)		(884	)		(527	)		(484	)
Amortization of Unrecognized Losses		411			104			565			353
Amortization of Unrecognized Prior Service Cost (Credit)		—			—			(432	)		(432	)
Net Periodic Benefit Cost	$	794		$	365		$	429		$	143

	(In Thousands)
	Pension Benefits						Other Benefits
	Six Months Ended June 30,
	2015			2014			2015			2014
Service Cost	$	1,279		$	947		$	686		$	516
Interest Cost		1,447			1,341			961			896
Expected Return on Assets		(1,959	)		(1,767	)		(1,053	)		(969	)
Amortization of Unrecognized Losses		823			208			1,131			707
Amortization of Unrecognized Prior Service Cost (Credit)		—			1			(864	)		(864	)
Net Periodic Benefit Cost	$	1,590		$	730		$	861		$	286