INCOME TAXES - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Tax credit carryforwards	$ 442.8
Tax loss carryforward	1,100.0
Deferred tax assets, operating loss carryforward	209.6
Translation Adjustment	175.3
Change in valuation allowance for deferred tax asset	7.4
Deferred tax asset, foreign combinations of income	18.4
Cumulative earnings of foreign subsidiaries	599.0
The total gross unrecognized tax benefits	13.7
Unrecognized tax benefits, if recognized, would affect the effective income tax rate	13.3
The total amount of accrued interest and penalties	2.8	$ 6.5
Recognized income tax expense (benefits), interest and penalties	3.4	$ 2.0	$ 1.9
Foreign Tax Credits Expiring Future Years
Income Taxes [Line Items]
Tax credit carryforwards	137.9
Foreign Tax Credits Expiring Future Years | Tax Year 2023
Income Taxes [Line Items]
Tax credit carryforwards	43.4
Foreign Tax Credits Expiring Future Years | Tax Year 2024
Income Taxes [Line Items]
Tax credit carryforwards	55.5
Foreign Tax Credits Expiring Future Years | Tax Year 2025
Income Taxes [Line Items]
Tax credit carryforwards	38.9
Foreign Tax Credits Expiring Future Years | Tax Year 2026
Income Taxes [Line Items]
Tax credit carryforwards	0.1
Without Expiry Date
Income Taxes [Line Items]
Tax credit carryforwards	$ 680.8