Associate Retirement Plans (Tables)

4 Months Ended

Apr. 23, 2016

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension and Postretirement Benefit Costs

The following table provides the components of net periodic pension and postretirement benefit costs for the 16 weeks ended April 23, 2016 and April 25, 2015:

	SpartanNash Company Pension Plan						SpartanNash Medical Plan
	April 23,			April 25,			April 23,			April 25,
(In thousands)	2016			2015			2016			2015
16 Weeks Ended
Service cost	$	—		$	—		$	58		$	71
Interest cost		753			1,023			106			125
Amortization of prior service cost		—			—			(49	)		(49	)
Expected return on plan assets		(1,324	)		(1,515	)		—			—
Recognized actuarial net loss		34			255			13			53
Net periodic benefit	$	(537	)	$	(237	)	$	128		$	200
Settlement expense		213			175			—			—
Total expense (income)	$	(324	)	$	(62	)	$	128		$	200