Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Income Statement [Abstract]
Revenue, net	$ 474.2	$ 427.7
Cost of sales	200.9	184.6
Gross profit	273.3	243.1
Selling, general and administrative expenses	255.1	235.8
Loss on disposal of property, plant and equipment, net	1.4	1.9
Acquisition and integration expenses	20.8	4.7
Operating (loss) income	(4.0)	0.7
Other expense, net	7.0	5.5
Interest expense, net	19.7	19.3
Loss from continuing operations before income taxes	(30.7)	(24.1)
Income tax benefit	(3.3)	(1.4)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent, Total	(27.4)	(22.7)
Net income from discontinued operations, net of income taxes	30.9	3.0
Net income (loss)	$ 3.5	$ (19.7)
Basic:
Continuing operations (in USD per share)	$ (0.19)	$ (0.17)
Discontinued operations (in USD per share)	0.22	0.03
Net income (loss) (in USD per share)	0.02	(0.14)
Diluted:
Continuing operations (in USD per share)	(0.19)	(0.17)
Discontinued operations (in USD per share)	0.22	0.03
Net income (loss) (in USD per share)	$ 0.02	$ (0.14)
Weighted average common shares outstanding (in thousands)
Basic (in shares)	141,139	135,948
Diluted (in shares)	141,139	135,948