Acquisitions - Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
FTT Inc
Business Acquisition [Line Items]
Pro forma revenues	$ 915.3	$ 850.7
Pro forma net income (loss) before tax	(31.6)	3.8
Pro forma net income ( loss)	$ (35.8)	$ 1.3
Basic pro format income (loss) per share (in dollars per share)	$ (0.28)	$ 0.01
Diluted pro forma income (loss) per share (in dollars per share)	$ (0.28)	$ 0.01
CPI ASC Signal Division, Inc.
Business Acquisition [Line Items]
Pro forma revenues		$ 855.2	$ 766.0
Pro forma net income (loss) before tax		(0.8)	2.6
Pro forma net income ( loss)		$ (2.9)	$ 74.5
Basic pro format income (loss) per share (in dollars per share)		$ (0.03)	$ 0.65
Diluted pro forma income (loss) per share (in dollars per share)		$ (0.03)	$ 0.63

Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Before Tax

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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