Stockholders' Deficit - Summary of Changes in Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 04, 2021	Jul. 05, 2020	Jul. 04, 2021	Jul. 05, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ (780,557)	$ (876,926)	$ (793,361)	$ (737,584)
Shares issued under stock plans, including tax benefit	2,306	0	6,646	3,559
Share-based compensation expense	502	1,747	3,338	7,612
Dividends declared	(9,756)	0	(27,886)	(18,492)
Purchases of treasury stock	(64,967)	0	(129,967)	(153,550)
Net earnings	40,028	32,555	126,821	51,915
Other comprehensive income, net of taxes	842	15,667	2,807	22,453
Balance at end of period	(811,602)	(826,957)	(811,602)	(826,957)
Cumulative Effect, Period of Adoption, Adjustment
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ 0	$ 0	$ 0	$ (2,870)