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Commitments and Contingencies (Details) £ in Millions, $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Jul. 31, 2024 USD ($)	Sep. 28, 2024 USD ($)	Sep. 30, 2023 USD ($)	Jul. 01, 2023 USD ($)	Jul. 01, 2023 GBP (£)	Jul. 02, 2022 USD ($)	Jul. 02, 2022 GBP (£)	Jul. 02, 2016 GBP (£)	Jun. 30, 2016 GBP (£)
Loss Contingencies [Line Items]
Standby letters of credit		$ 8.3
Changes in warranty reserve
Balance as of beginning of period		7.5	$ 9.0
Provision for warranty		0.2	0.4
Utilization of reserve		(0.7)	(0.8)
Adjustments to pre-existing warranties (includes changes in estimates)		0.0	0.2
Balance as of the end of period		7.0	8.8	$ 9.0
Performance bond
Loss Contingencies [Line Items]
Guarantee liabilities		$ 1.9
Judicial ruling \| Tel-Instruments Electronics Corp. Settlement
Loss Contingencies [Line Items]
Gain on legal settlement	$ 7.3		$ 7.3
Judicial ruling \| U.K. Pension Settlement
Loss Contingencies [Line Items]
Loss contingency accrual						$ 6.5	£ 5.4
Reverse of loss contingency accrual				$ 6.7	£ 5.7
Minimum \| Judicial ruling \| U.K. Pension Settlement
Loss Contingencies [Line Items]
Estimated liability (in pounds) \| £									£ 5.7
Loss contingency accrual \| £								£ 5.7
Maximum \| Judicial ruling \| U.K. Pension Settlement
Loss Contingencies [Line Items]
Estimated liability (in pounds) \| £									£ 8.4