Restructuring Costs - Summary of Restructuring Expenses (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Mar. 30, 2024	Dec. 30, 2023	Apr. 01, 2023	Mar. 30, 2024
Restructuring Cost and Reserve [Line Items]
Total cash restructuring costs	$ 8,100			$ 21,586
Asset impairments	2,500			4,742
Total restructuring costs	10,600	$ 15,700	$ 0	26,328
Contract termination costs
Restructuring Cost and Reserve [Line Items]
Total cash restructuring costs	4,413			11,823
Severance and employee-related benefits
Restructuring Cost and Reserve [Line Items]
Total cash restructuring costs	841			5,807
Professional fees and other
Restructuring Cost and Reserve [Line Items]
Total cash restructuring costs	$ 2,846			$ 3,956