Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2023	Oct. 02, 2022	Oct. 01, 2023	Oct. 02, 2022
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 6.6	$ (16.2)	$ 25.0	$ (61.6)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net of tax benefit of $0.0, $0.1, $0.1, and tax expense of $0.0, respectively	(4.3)	(8.8)	0.8	(17.4)
Less: Reclassification adjustments included in net earnings (loss) - liquidation of Japan subsidiary	0.0	0.0	0.0	20.4
Less: Reclassification adjustments included in net earnings (loss) - equity method investment and other	0.0	1.9	0.0	4.6
Foreign currency translation adjustments	(4.3)	(6.9)	0.8	7.6
Other comprehensive income (loss)	(4.3)	(6.9)	0.8	7.6
Comprehensive income (loss)	$ 2.3	$ (23.1)	$ 25.8	$ (54.0)