Benefit Plans (Tables)

6 Months Ended

Sep. 09, 2017

Compensation and Retirement Disclosure [Abstract]

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

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

	Second Quarter Ended
	Pension Benefits						Other Postretirement Benefits
	September 9,   2017   (12 weeks)			September 10,   2016   (12 weeks)			September 9,   2017   (12 weeks)			September 10,   2016   (12 weeks)
Interest cost	$	20		$	20		$	1		$	—
Expected return on assets	(33		)	(33		)	—			—
Amortization of prior service benefit	3			—			(3		)	(3		)
Amortization of net actuarial loss	—			10			—			—
Net periodic benefit income	$	(10	)	$	(3	)	$	(2	)	$	(3	)
Contributions to benefit plans	$	—		$	(1	)	$	—		$	—

	Year-To-Date Ended
	Pension Benefits						Other Postretirement Benefits
	September 9,   2017   (28 weeks)			September 10,   2016   (28 weeks)			September 9,   2017   (28 weeks)			September 10,   2016   (28 weeks)
Interest cost	$	44		$	46		$	1		$	1
Expected return on assets	(73		)	(77		)	—			—
Amortization of prior service benefit	6			—			(8		)	(8		)
Amortization of net actuarial loss	—			24			1			1
Net periodic benefit income	$	(23	)	$	(7	)	$	(6	)	$	(6	)
Contributions to benefit plans	$	(1	)	$	(2	)	$	—		$	—