Business Segments and Geographic Information - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Dec. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2023 Segment
Segment Reporting Disclosure [Line Items]
Number of reportable segments | Segment			4
Revenues	$ 1,013,100,000	$ 1,074,200,000
Intersegment
Segment Reporting Disclosure [Line Items]
Revenues	$ 0	$ 0