BUSINESS COMBINATIONS - Cutex International Acquisition (Details) - USD ($) $ in Millions		12 Months Ended
	May 31, 2016	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill		$ 692.5	$ 689.5	[1]	$ 469.7
Cutex International
Business Acquisition [Line Items]
Cash consideration	$ 29.1
Inventories	0.8
Total acquired intangible assets	17.2
Goodwill	11.1
Total consideration transferred	29.1
Coty license agreement term			20 years
Customer relationships
Business Acquisition [Line Items]
Weighted average useful life		13 years	14 years
Customer relationships | Cutex International
Business Acquisition [Line Items]
Total acquired intangible assets	$ 11.9
Weighted average useful life	15 years
Intellectual Property [Member] | Cutex International
Business Acquisition [Line Items]
Total acquired intangible assets	$ 0.8
Weighted average useful life	10 years
Trade names | Cutex International
Business Acquisition [Line Items]
Total acquired intangible assets	$ 4.5

[1] Adjusted as a result of the adoption of certain accounting pronouncements as of December 31, 2017. See Note 1, "Description of Business and Summaryof Significant Accounting Policies - Recently Adopted Accounting Pronouncements," for details of these adjustments.