Restructuring (Tables)

6 Months Ended

Mar. 27, 2020

Restructuring Charges [Abstract]

Restructuring and Related Costs

	Severance		Leased facility exit costs		Fixed assets write-off		Other associated costs		Total
Balance at September 28, 2018	$	—	$	—	$	—	$	124	$	124
Restructuring charges/(credits)	3,134		18,261		15,216		(53)		36,558
Cash payments	(3,006)		(4,577)		—		(130)		(7,713)
Non-cash and other adjustments	—		2,039		(15,216)		59		(13,118)
Balance at September 27, 2019	$	128	$	15,723	$	—	$	—	$	15,851
Restructuring charges	—		344		—		—		344
Cash payments	(75)		(19,604)		—		—		(19,679)
Non-cash and other adjustments	(4)		3,537		—		—		3,533
Balance at March 27, 2020	$	49	$	—	$	—	$	—	$	49