Pension and Other Benefit Programs (Tables)

6 Months Ended

Apr. 03, 2021

Retirement Benefits [Abstract]

Net Periodic Benefit Cost

The components of net periodic benefit cost are as follows: 

	Pension Plans								Postretirement Medical Plans
	Quarter Ended				Six Months Ended				Quarter Ended				Six Months Ended
	April 3, 2021		March 28, 2020		April 3, 2021		March 28, 2020		April 3, 2021		March 28, 2020		April 3, 2021		March 28, 2020
Service costs	$	109	$	102	$	217	$	205	$	2	$	2	$	5	$	5
Other costs (benefits):
Interest costs	115		133		229		266		11		14		23		28
Expected return on plan assets	(274)		(273)		(549)		(546)		(13)		(15)		(27)		(29)
Amortization of previously deferred service costs	4		4		6		7		—		—		—		—
Recognized net actuarial loss	185		131		371		262		8		4		15		7
Total other costs (benefits)	30		(5)		57		(11)		6		3		11		6
Net periodic benefit cost	$	139	$	97	$	274	$	194	$	8	$	5	$	16	$	11