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Acquisitions - Pro Forma Financial Information (Details) - CPI ASC Signal Division, Inc. - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 26, 2022 | Jun. 26, 2022
Business Acquisition [Line Items] |  |
Pro forma revenues | $ 230.9 | $ 437.4
Pro forma net loss before tax | (4.5) | (23.7)
Pro forma net loss | $ (4.4) | $ (19.5)
Basic pro forma loss per share (in dollars per share) | $ (0.04) | $ (0.15)
Diluted pro forma loss per share (in dollars per share) | $ (0.04) | $ (0.15)

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