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Discontinued Operations - Results of Discontinued Operations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 25, 2022
Dec. 26, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Total loss of discontinued operations before income taxes $ 0.0 $ (0.3) $ (2.3)
Income tax benefit (0.2) (1.2) (0.2)
Income (loss) from discontinued operations 0.2 0.9 (2.1)
Herley | Discontinued operations, disposed of by sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Revenue 0.0 0.0 0.1
Cost of sales 0.0 0.0 0.0
Selling, general and administrative expenses 0.0 0.3 2.4
Loss from discontinued operations before income taxes 0.0 (0.3) (2.3)
Gain on disposal of discontinued operations before income taxes 0.0 0.0 0.0
Total loss of discontinued operations before income taxes 0.0 (0.3) (2.3)
Income tax benefit (0.2) (1.2) (0.2)
Income (loss) from discontinued operations $ 0.2 $ 0.9 $ (2.1)