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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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LONG-TERM DEBT - Components of Long-term Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Long-term debt		$ 3,075.8	$ 2,823.9
Current portion of long-term debt		348.1	170.2
Long-term debt		2,727.7	2,653.7
Short-term borrowings		9.3	12.4
2018 Foreign Asset-Based Term Loan Credit Agreement due 2021
Debt Instrument [Line Items]
Long-term debt		82.7	0.0
2016 Revolving Credit Facility due 2021
Debt Instrument [Line Items]
Long-term debt		330.0	152.1
Current portion of long-term debt		330.0	152.1
2016 Term Loan due 2023
Debt Instrument [Line Items]
Long-term debt		1,724.6	1,735.9
Repayment of debt		$ 18.1
5.75% Senior Notes due 2021
Debt Instrument [Line Items]
Stated interest rate		5.75%
Long-term debt		$ 496.6	495.1
6.25% Senior Notes due 2024
Debt Instrument [Line Items]
Stated interest rate		6.25%
Long-term debt		$ 441.4	440.3
Spanish Government Loan due 2025
Debt Instrument [Line Items]
Long-term debt		$ 0.5	$ 0.5
Scenario, Forecast \| 2016 Revolving Credit Facility due 2021
Debt Instrument [Line Items]
Repayment of debt	$ 18.0