Associate (Employee) Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Cost Components of Postretirement Benefits

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

	Three months ended March 31,
(In Thousands)	2015			2014
Service cost	$	15		$	88
Interest cost		22			56
Prior service cost amortization		(19	)		—
Net (gain) loss recognition		(5	)		14
Net periodic benefit cost	$	13		$	158