GUARNATOR FINANCIAL INFORMATION - Statement of Cash Flow (Details) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017
Condensed Cash Flow Statements, Captions [Line Items]
Net cash used in operating activities		$ (296.7)	$ (274.2)
Net cash used in investing activities		(41.6)	(69.5)
Net increase in short-term borrowings and overdraft		2.3	1.2
Net borrowings under the 2016 Revolving Credit Facility		251.3	243.9
Net borrowings under the 2018 Foreign Asset-Based Term Loan		89.4	0.0
Repayments under the 2016 Term Loan Facility		(13.5)	(13.5)
Payment of financing costs		(9.4)	(1.1)
Tax withholdings related to net share settlements of restricted stock units and awards		(3.6)	(2.5)
Other financing activities		0.1	(1.3)
Net cash provided by financing activities		316.6	226.7
Effect of exchange rate changes on cash, cash equivalents and restricted cash		(3.2)	9.4
Net decrease in cash, cash equivalents and restricted cash		(24.9)	(107.6)
Cash, cash equivalents and restricted cash at beginning of period (a)	[1]	87.4	186.8
Cash, cash equivalents and restricted cash at end of period (a)	[1]	62.5	79.2
Eliminations
Condensed Cash Flow Statements, Captions [Line Items]
Net cash used in operating activities		0.0	0.0
Net cash used in investing activities		0.0	0.0
Net increase in short-term borrowings and overdraft		0.0	0.0
Net borrowings under the 2016 Revolving Credit Facility		0.0	0.0
Repayments under the 2016 Term Loan Facility		0.0	0.0
Payment of financing costs		0.0	0.0
Tax withholdings related to net share settlements of restricted stock units and awards		0.0	0.0
Other financing activities		0.0	0.0
Net cash provided by financing activities		0.0	0.0
Effect of exchange rate changes on cash, cash equivalents and restricted cash			0.0
Net decrease in cash, cash equivalents and restricted cash		0.0	0.0
Cash, cash equivalents and restricted cash at beginning of period (a)		0.0	0.0
Cash, cash equivalents and restricted cash at end of period (a)		0.0	0.0
Reportable Legal Entities | Guarantor Subsidiaries
Condensed Cash Flow Statements, Captions [Line Items]
Net cash used in operating activities		(0.5)	(23.2)
Net cash used in investing activities		(5.0)	(2.9)
Net increase in short-term borrowings and overdraft		7.3	(1.1)
Net borrowings under the 2016 Revolving Credit Facility		0.0	0.0
Net borrowings under the 2018 Foreign Asset-Based Term Loan		0.0
Repayments under the 2016 Term Loan Facility		0.0	0.0
Payment of financing costs		0.0	0.0
Tax withholdings related to net share settlements of restricted stock units and awards		0.0	0.0
Other financing activities		0.0	0.0
Net cash provided by financing activities		7.3	(1.1)
Effect of exchange rate changes on cash, cash equivalents and restricted cash		(0.1)	0.0
Net decrease in cash, cash equivalents and restricted cash		1.7	(27.2)
Cash, cash equivalents and restricted cash at beginning of period (a)		5.3	34.3
Cash, cash equivalents and restricted cash at end of period (a)		7.0	7.1
Reportable Legal Entities | Non-Guarantor Subsidiaries
Condensed Cash Flow Statements, Captions [Line Items]
Net cash used in operating activities		(100.2)	(46.9)
Net cash used in investing activities		(12.2)	(23.1)
Net increase in short-term borrowings and overdraft		(1.4)	0.2
Net borrowings under the 2016 Revolving Credit Facility		0.0	0.0
Net borrowings under the 2018 Foreign Asset-Based Term Loan		89.4
Repayments under the 2016 Term Loan Facility		0.0	0.0
Payment of financing costs		(4.7)	0.0
Tax withholdings related to net share settlements of restricted stock units and awards		0.0	0.0
Other financing activities		(0.2)	(0.2)
Net cash provided by financing activities		83.1	0.0
Effect of exchange rate changes on cash, cash equivalents and restricted cash		(3.1)	9.4
Net decrease in cash, cash equivalents and restricted cash		(32.4)	(60.6)
Cash, cash equivalents and restricted cash at beginning of period (a)		81.8	132.5
Cash, cash equivalents and restricted cash at end of period (a)		49.4	71.9
Reportable Legal Entities | Products Corporation
Condensed Cash Flow Statements, Captions [Line Items]
Net cash used in operating activities		(196.0)	(204.1)
Net cash used in investing activities		(24.4)	(43.5)
Net increase in short-term borrowings and overdraft		(3.6)	2.1
Net borrowings under the 2016 Revolving Credit Facility		251.3	243.9
Net borrowings under the 2018 Foreign Asset-Based Term Loan		0.0
Repayments under the 2016 Term Loan Facility		(13.5)	(13.5)
Payment of financing costs		(4.7)	(1.1)
Tax withholdings related to net share settlements of restricted stock units and awards		(3.6)	(2.5)
Other financing activities		0.3	(1.1)
Net cash provided by financing activities		226.2	227.8
Effect of exchange rate changes on cash, cash equivalents and restricted cash		0.0	0.0
Net decrease in cash, cash equivalents and restricted cash		5.8	(19.8)
Cash, cash equivalents and restricted cash at beginning of period (a)		0.3	20.0
Cash, cash equivalents and restricted cash at end of period (a)		$ 6.1	$ 0.2

[1] These amounts include restricted cash of $0.7 million and $0.2 million as of September 30, 2018 and 2017, respectively, and $0.3 million and $0.4 million as of December 31, 2017 and 2016, respectively, which represent cash on deposit to support the Company's outstanding undrawn letters of credit and were included within other assets in the Company's consolidated balance sheets.