CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 26, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 139,708	$ 122,793	$ 60,758
Other comprehensive income:
Amortization of net actuarial gains (losses) and prior service credits into earnings and net change in funded status of benefit plans	4,148	7,234	(641)
Recognition in earnings of net actuarial loss for pension settlement	840	958	1,051
Other comprehensive income	4,988	8,192	410
Total comprehensive income	$ 144,696	$ 130,985	$ 61,168