Restructuring and Impairment Charges Schedule of Restructuring Accrual Activity (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Jul. 03, 2021	Apr. 03, 2021	Jan. 02, 2021	Jul. 04, 2020	Apr. 04, 2020	Jan. 04, 2020	Jul. 03, 2021	Jul. 04, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 852	$ 1,611	$ 22	$ 258	$ 1,347	$ 447	$ 852	$ 258
Restructuring and impairment charges	1,238	2,029	0	0	6,003	0	3,267	6,003
Amounts utilized	(1,997)	(440)		(1,089)	(5,103)
Impaired Long-Lived Assets Held and Used, Asset Name
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0	0	0	0	0	0	0	0
Restructuring and impairment charges	0	0		0	3,054			3,100
Amounts utilized	0	0		0	(3,054)
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	852	1,611	$ 22	258	1,347	$ 447	$ 852	258
Restructuring and impairment charges	1,238	2,029		0	2,949			$ 2,900
Amounts utilized	$ (1,997)	$ (440)		$ (1,089)	$ (2,049)