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Commitments and Contingencies (Details) £ in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 31, 2023 USD ($) | Dec. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Oct. 01, 2022 USD ($) | Oct. 01, 2022 GBP (£) | Dec. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Jul. 02, 2022 USD ($) | Jul. 02, 2022 GBP (£) | Jul. 02, 2016 GBP (£) | Jun. 30, 2016 GBP (£)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain on legal settlement |  |  |  |  |  | $ 0.0 | $ 6.7 |  |  |  |
Standby letters of credit |  | $ 7.1 |  |  |  | 7.1 |  |  |  |  |
Changes in warranty reserve |  |  |  |  |  |  |  |  |  |  |
Balance as of beginning of period |  | 8.8 | $ 9.5 | $ 10.6 |  | 9.0 | 10.6 |  |  |  |
Provision for warranty |  | 0.3 | 0.4 |  |  | 0.7 | 1.0 |  |  |  |
Utilization of reserve |  | (0.7) | (0.7) |  |  | (1.5) | (1.2) |  |  |  |
Adjustments to pre-existing warranties (includes changes in estimates) |  | 0.1 | 0.2 |  |  | 0.3 | (1.0) |  |  |  |
Balance as of the end of period |  | 8.5 | $ 9.4 | 9.5 |  | 8.5 | $ 9.4 |  |  |  |
Performance bond |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Guarantee liabilities |  | $ 1.8 |  |  |  | $ 1.8 |  |  |  |  |
Judicial ruling | Tel-Instruments Electronics Corp. Settlement |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain on legal settlement | $ 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

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