Condensed Consolidated Statements of Comprehensive Operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 28, 2025
Statement of Comprehensive Income [Abstract]
Net loss	$ (113.5)	$ (27.7)
Other comprehensive (loss) income, net of tax:
Currency translation adjustments	(2.5)	3.2
Benefit plans	0.0	(0.1)
Total other comprehensive (loss) income, net of tax	(2.5)	3.1
Comprehensive loss	$ (116.0)	$ (24.6)