RESTRUCTURING CHARGES - Summary of Liabilities Associated with Restructuring and Employee Severance (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 28, 2018	Dec. 29, 2017
Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	[1]	$ 1.1	$ 3.2
Restructuring charges	[1]	9.3
Payments and other	[1]	(3.5)	(2.1)
Restructuring Reserve, Ending balance	[1]	6.9	1.1
Facility Exit and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	[2]	0.5	1.2
Restructuring charges	[2]	0.1
Payments and other	[2]	(0.4)	(0.7)
Restructuring Reserve, Ending balance	[2]	0.2	0.5
Q2 2018 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Ending balance	[1]	6.9
Q2 2018 Restructuring Plan [Member] | Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	[1]	0.0	0.0
Restructuring charges	[1]	9.6
Payments and other	[1]	(2.9)	0.0
Restructuring Reserve, Ending balance	[1]	6.7	0.0
Q2 2018 Restructuring Plan [Member] | Facility Exit and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	[2]	0.0	0.0
Restructuring charges	[2]	0.5
Payments and other	[2]	(0.3)	0.0
Restructuring Reserve, Ending balance	[2]	0.2	0.0
Q2 2016 Restructuring Plan [Member] | Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	[1]	0.5	1.9
Restructuring charges	[1]	0.0
Payments and other	[1]	(0.5)	(1.4)
Restructuring Reserve, Ending balance	[1]	0.0	0.5
Q2 2016 Restructuring Plan [Member] | Facility Exit and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	[2]	0.5	1.2
Restructuring charges	[2]	(0.4)
Payments and other	[2]	(0.1)	(0.7)
Restructuring Reserve, Ending balance	[2]	0.0	0.5
Q4 2015 Restructuring Plan [Member] | Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	[1]	0.6	1.3
Restructuring charges	[1]	(0.3)
Payments and other	[1]	(0.1)	(0.7)
Restructuring Reserve, Ending balance	[1]	$ 0.2	$ 0.6

[1] Employee-related costs primarily consist of severance benefits provided to employees who have been involuntarily terminated.

[2] Facility exit and other costs primarily consist of lease termination costs.