Associate Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

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, 2016 and 2015.

	Three months ended
	March 31,
(In Thousands)	2016			2015
Service cost	$	15		$	15
Interest cost		19			22
Prior service cost amortization		(7	)		(19	)
Net gain recognition		(15	)		(5	)
Net periodic benefit cost	$	12		$	13