Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 156.1	$ (72.0)	$ 112.4
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net of tax expense of $0.1 million, tax expense of $0.2 million and tax benefit of $0.1 million, respectively	(24.2)	13.9	2.5
Less: Reclassification adjustments included in net earnings	0.0	(1.5)	0.0
Foreign currency translation adjustments	(24.2)	12.4	2.5
Pension liability adjustments, net of tax expense of $0.2 million, tax benefit of $0.1 million and tax benefit of $0.3 million, respectively	0.5	(0.9)	(1.3)
Less: Reclassification adjustments included in net earnings	0.2	0.1	0.1
Pension liability adjustments	0.7	(0.8)	(1.2)
Other comprehensive income (loss), net of tax	(23.5)	11.6	1.3
Comprehensive income (loss)	$ 132.6	$ (60.4)	$ 113.7