Commitments and Contingencies (Details) £ in Millions, $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended
	Jul. 31, 2023 USD ($) employee	Dec. 28, 2024 USD ($)	Sep. 30, 2023 USD ($) employee	Dec. 28, 2024 USD ($)	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		$ 6.5		$ 6.5
Changes in warranty reserve
Balance as of beginning of period		7.0		7.5
Provision for warranty		0.5		0.7
Utilization of reserve		(0.4)		(1.1)
Adjustments to pre-existing warranties (includes changes in estimates)		(0.3)		(0.3)
Balance as of the end of period		6.8		6.8
Performance bond
Loss Contingencies [Line Items]
Guarantee liabilities		$ 1.9		$ 1.9
Judicial ruling | Tel-Instruments Electronics Corp. Settlement
Loss Contingencies [Line Items]
Number of employees included in the settlement | employee	2		2
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