Associate Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Cost Components of Postretirement Benefits

The following are disclosures of the net periodic benefit cost components of postretirement benefits measured at January 1, 2015 and 2014.

	Three months ended						Six months ended
	June 30,						June 30,
(In Thousands)	2015			2014			2015			2014
Service cost	$	14		$	10		$	29		$	98
Interest cost		22			42			44			98
Prior service cost amortization		(19	)		(30	)		(38	)		(30	)
Net (gain) loss recognition		(5	)		30			(10	)		44
Net periodic benefit cost	$	12		$	52		$	25		$	210