Revenue Recognition (Narrative) (Details) $ in Millions	3 Months Ended	6 Months Ended
	Mar. 29, 2024 USD ($)	Mar. 29, 2024 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue adjustment	$ (6.0)
Remaining performance obligation	74.2	$ 74.2
Revenue recognized	$ 7.3	$ 19.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-03-30
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percent	34.00%	34.00%
Expected timing of satisfaction period	6 months	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-09-28
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percent	26.00%	26.00%
Expected timing of satisfaction period	1 year	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-09-27
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percent	40.00%	40.00%
Expected timing of satisfaction period	1 year	1 year