ACQUISITIONS - Purchase Price Allocation (Detail) $ in Millions	Mar. 31, 2018 USD ($)
Business Acquisition [Line Items]
Fixed assets	$ 5.3
Intangibles	9.6
Goodwill	11.5
Net other assets and liabilities	0.7
Total purchase price allocation	27.1
Current Period Acquisitions
Business Acquisition [Line Items]
Fixed assets	0.2
Intangibles	9.0
Goodwill	17.9
Net other assets and liabilities	0.4
Total purchase price allocation	27.5
Restatement adjustment
Business Acquisition [Line Items]
Fixed assets	5.1
Intangibles	0.6
Goodwill	(6.4)
Net other assets and liabilities	0.3
Total purchase price allocation	$ (0.4)