Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended
		Jan. 02, 2021	Dec. 28, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ 144	$ 5,793
Other comprehensive income (loss):
Translation adjustment, net of taxes	[1],[2]	16,034	15,168
Change in unrealized losses on available-for-sale securities, net of taxes	[1],[3]	3	0
Defined benefit pension plans, net of taxes	[1],[4]	(318)	132
Other comprehensive income, net of tax	[1]	15,719	15,300
Comprehensive income		$ 15,863	$ 21,093

[1] Reclassification adjustments were not significant during the three months ended January 2, 2021 and December 28, 2019.

[2] Tax expenses of $5,267 and $1,235 were provided on translation adjustments during the three months ended January 2, 2021 and December 28, 2019, respectively. 

[3] Tax expenses of $1 and $0 were provided on changes in unrealized gains on available-for-sale securities during the three months ended January 2, 2021 and December 28, 2019, respectively. 

[4] Tax expenses (benefits) of $(63) and $33 were provided on changes in defined benefit pension plans for the three months ended January 2, 2021 and December 28, 2019, respectively.