FAIR VALUE MEASUREMENT - FINANCIAL ASSETS AND LIABILITIES THAT ARE RECORDED AT FAIR VALUE AND CLASSIFIED BASED ON THE LOWEST LEVEL OF INPUT (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	$ 6.7	$ 14.7
Liabilities	14.5	10.6
Foreign exchange forward contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	6.7	14.7
Liabilities	5.5	2.5
Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	0.4	0.5
Contingent considerations on acquisitions
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	8.6	7.6
Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Fair Value, Inputs, Level 1 | Foreign exchange forward contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Fair Value, Inputs, Level 1 | Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	0.0	0.0
Fair Value, Inputs, Level 1 | Contingent considerations on acquisitions
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	0.0	0.0
Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	6.7	14.7
Liabilities	5.9	3.0
Fair Value, Inputs, Level 2 | Foreign exchange forward contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	6.7	14.7
Liabilities	5.5	2.5
Fair Value, Inputs, Level 2 | Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	0.4	0.5
Fair Value, Inputs, Level 2 | Contingent considerations on acquisitions
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	0.0	0.0
Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	0.0	0.0
Liabilities	8.6	7.6
Fair Value, Inputs, Level 3 | Foreign exchange forward contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	0.0	0.0
Liabilities	0.0	0.0
Fair Value, Inputs, Level 3 | Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	0.0	0.0
Fair Value, Inputs, Level 3 | Contingent considerations on acquisitions
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Liabilities	$ 8.6	$ 7.6