Benefit Plans (Tables)

4 Months Ended

Jun. 20, 2015

Compensation and Retirement Disclosure [Abstract]

Net Periodic Benefit Expense and Contributions for Defined Benefit Pension Plans and Other Postretirement Benefit Plans

Net periodic benefit expense (income) and contributions for defined benefit pension and other postretirement benefit plans consisted of the following:

	First Quarter Ended
	Pension Benefits						Other Postretirement Benefits
	June 20,   2015   (16 weeks)			June 14,   2014   (16 weeks)			June 20,   2015   (16 weeks)			June 14,   2014   (16 weeks)
Service cost	$	—		$	—		$	—		$	—
Interest cost	33			39			1			1
Expected return on assets	(44		)	(47		)	—			—
Amortization of prior service benefit	—			—			(4		)	(4		)
Amortization of net actuarial loss	24			19			2			1
Net periodic benefit expense (income)	$	13		$	11		$	(1	)	$	(2	)
Contributions to benefit plans	$	(26	)	$	(45	)	$	(11	)	$	—