DISPOSITIONS AND SPECIAL CHARGES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Special charges, net	$ 0.3	$ 3.9	$ 26.9
Disposed of by Sale | SARL Business Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Combined loss on sale	23.7
Loss on sale of net assets	8.2
Translation adjustment	14.4
Legal, professional and other costs	1.1
Recovery from settlement	0.8
Severance and other personnel costs	0.3
Charges related to transitional services agreement	0.5
Charges requiring use of cash	1.4
Disposed of by Sale | NATG
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operations incurred special charges related to updating future lease cash flows	6.9
Charges for updating future lease cash flows	6.2
Ongoing restitution proceedings	0.7
NATG
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Special charges, net	7.2
Business exit costs	6.5
North American Technology Products Segment and European Technology Products Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Special charges, net	30.9
Continuing Operations | North American Technology Products Segment and European Technology Products Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Special charges, net	0.3
Discontinued Operations | NATG
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Special charges, net	6.2
Discontinued Operations | North American Technology Products Segment and European Technology Products Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Special charges, net	30.6
Consulting expenses | Discontinued Operations | NATG
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Special charges, net	0.7
Minimum | SARL Business Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Additional charges	$ 1.0