ACQUISITIONS - Purchase Price Allocation (Detail) $ in Millions	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Fixed assets	$ 12.2
Intangibles	44.2
Goodwill	14.6
Other assets and liabilities, net	3.8
Total purchase price allocation	74.8
Current Period Acquisitions
Business Acquisition [Line Items]
Fixed assets	7.0
Intangibles	34.0
Goodwill	32.2
Other assets and liabilities, net	2.2
Total purchase price allocation	75.4
Adjustments to Prior Year Acquisitions
Business Acquisition [Line Items]
Fixed assets	5.2
Intangibles	10.2
Goodwill	(17.6)
Other assets and liabilities, net	1.6
Total purchase price allocation	$ (0.6)