LONG-TERM DEBT AND OTHER FINANCING ARRANGEMENTS Leverage summary (Details)		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage	[1]	2.19%
Euro Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		3.0	3.5
2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage	[2]	1.66%
Net Leverage Greater Than 7.0x [Member] | 2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		6.50%
Net Leverage Greater Than 7.0x [Member] | Euro Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		7.0
Net Leverage Greater Than 7.0x [Member] | 2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		6.00%
Net Leverage 7.0x - 6.0x [Member] | 2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		5.50%
Net Leverage 7.0x - 6.0x [Member] | Euro Loans [Member] | Minimum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		6.0
Net Leverage 7.0x - 6.0x [Member] | Euro Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		7.0
Net Leverage 7.0x - 6.0x [Member] | 2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		5.00%
Net Leverage 6.0x - 5.0x [Member] | 2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		4.75%
Net Leverage 6.0x - 5.0x [Member] | Euro Loans [Member] | Minimum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		5.0
Net Leverage 6.0x - 5.0x [Member] | Euro Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		6.0
Net Leverage 6.0x - 5.0x [Member] | 2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		4.25%
Net Leverage 5.0x - 4.0x [Member] | 2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		4.25%
Net Leverage 5.0x - 4.0x [Member] | Euro Loans [Member] | Minimum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		4.0
Net Leverage 5.0x - 4.0x [Member] | Euro Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		5.0
Net Leverage 5.0x - 4.0x [Member] | 2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		3.75%
Net Leverage 4.0x - 3.0x [Member] | 2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		3.75%
Net Leverage 4.0x - 3.0x [Member] | Euro Loans [Member] | Minimum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		3.0
Net Leverage 4.0x - 3.0x [Member] | Euro Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		4.0
Net Leverage 4.0x - 3.0x [Member] | 2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		3.25%
Net Leverage Less Than 3.0x [Member] | 2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		3.50%
Net Leverage Less Than 3.0x [Member] | Euro Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage		3.0
Net Leverage Less Than 3.0x [Member] | 2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage		3.25%

[1] Effective until February 19, 2021. From February 19, 2021 through maturity on April 26, 2023, the rate fixed pursuant to interest rate hedges will increase to 0.97%, with a corresponding decrease in the Guarantee Fee rate, such that the all-in borrowing rate remains 3.75% if our net leverage ratio remains unchanged.

[2] Effective until November 1, 2019. From November 1, 2019 through maturity on November 1, 2021, the rate fixed pursuant to interest rate hedges will increase to 0.47%, with a corresponding decrease in the Guarantee Fee rate, such that the all-in borrowing rate remains 3.25% if our net leverage ratio remains unchanged.