Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Income Statement [Abstract]
Revenue, net	$ 1,953.5	$ 1,795.4	$ 1,791.0
Cost of sales	839.6	734.2	767.4
Gross profit	1,113.9	1,061.2	1,023.6
Selling, general and administrative expenses	1,006.6	962.2	955.0
Loss on disposal of property, plant and equipment, net	10.6	7.6	8.7
Acquisition and integration expenses	33.7	16.4	17.2
Goodwill and intangible asset impairment charges	115.2	0.0	0.0
Operating (loss) income	(52.2)	75.0	42.7
Other expense (income), net	18.7	3.7	(42.0)
Interest expense, net	81.6	77.6	77.6
(Loss) income from continuing operations before income taxes	(152.5)	(6.3)	7.1
Income tax expense (benefit)	4.3	4.5	(8.3)
Net (loss) income from continuing operations	(156.8)	(10.8)	15.4
Net income from discontinued operations, net of income taxes (Note 2)	25.1	13.7	368.1
Net (loss) income	(131.7)	2.9	383.5
Less: Net income attributable to non-controlling interests - discontinued operations	0.0	0.0	0.6
Net Income (Loss) Available to Common Stockholders, Basic, Total	$ (131.7)	$ 2.9	$ 382.9
Basic:
Continuing operations (In USD per share)	$ (1.01)	$ (0.08)	$ 0.11
Discontinued operations (In USD per share)	0.16	0.10	2.64
Net (loss) income (In USD per share)	(0.85)	0.02	2.75
Diluted:
Continuing operations (In USD per share)	(1.01)	(0.08)	0.11
Discontinued operations (In USD per share)	0.16	0.10	2.60
Net (loss) income (In USD per share)	$ (0.85)	$ 0.02	$ 2.71
Weighted average common shares outstanding (in thousands)
Basic (in shares)	155,446	135,224	139,097
Diluted (in shares)	155,446	135,224	141,436