LONG-TERM DEBT AND OTHER FINANCING ARRANGEMENTS All-in Rate Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Interest Expense, Debt	$ 27,308	$ 44,604	$ 77,170
Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	2.4	3.5
2021 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage	1.50%
2023 Euro Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Guarantee Fee, Stated Percentage	1.94%
Guarantee Fee [Member]
Debt Instrument [Line Items]
Interest Expense, Debt	$ 13,400	$ 26,700	$ 55,700
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 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] | Minimum [Member] | Euro Term Loans [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 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] | Minimum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	6.0
Net Leverage 7.0x - 6.0x [Member] | Maximum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	7.0
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 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] | Minimum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	5.0
Net Leverage 6.0x - 5.0x [Member] | Maximum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	6.0
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 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] | Minimum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	4.0
Net Leverage 5.0x - 4.0x [Member] | Maximum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	5.0
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 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] | Minimum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	3.0
Net Leverage 4.0x - 3.0x [Member] | Maximum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	4.0
Net Leverage Less Than 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] | Maximum [Member] | Euro Term Loans [Member]
Debt Instrument [Line Items]
Financial Covenant, Net Leverage	3.0