RESTRUCTURING CHARGES - Summary of Liabilities Associated with Restructuring and Employee Severance (Details) $ in Millions	6 Months Ended
	Jun. 28, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	$ 6.9
Payments and other	(2.3)
Restructuring Reserve, Ending balance	4.6
Q2 2018 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Ending balance	4.6
Q2 2018 Restructuring Plan [Member] | Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	6.7	[1]
Payments and other	(2.3)	[1]
Restructuring Reserve, Ending balance	4.4	[1]
Q2 2018 Restructuring Plan [Member] | Facility Exit and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning balance	0.2	[2]
Payments and other	0.0	[2]
Restructuring Reserve, Ending balance	$ 0.2	[2]

[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.