SIGNIFICANT ACCOUNTING POLICIES - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Significant Accounting Policies [Line Items]
Prepaid expenses and other current assets, net	$ 236.3		$ 236.3		$ 206.5
Other noncurrent assets, net	160.3		160.3		102.9
Income taxes payable	31.4		31.4		60.8
Deferred income taxes	802.4		802.4		751.7
Excess tax benefit recorded during period	4.2
Reclassification on adoption of ASU No. 2016-09					(0.5)
Impairment	1,092.9	$ 0.0	1,092.9	$ 0.0
Capital in Excess of Par Value
Significant Accounting Policies [Line Items]
Reclassification on adoption of ASU No. 2016-09					1.0
Retained Earnings
Significant Accounting Policies [Line Items]
Reclassification on adoption of ASU No. 2016-09					(1.5)
Accounting Standards Update 2016-09 | Capital in Excess of Par Value
Significant Accounting Policies [Line Items]
Reclassification on adoption of ASU No. 2016-09					1.0
Accounting Standards Update 2016-09 | Retained Earnings
Significant Accounting Policies [Line Items]
Reclassification on adoption of ASU No. 2016-09					(1.0)
As Reported Balance
Significant Accounting Policies [Line Items]
Prepaid expenses and other current assets, net					345.6
Other noncurrent assets, net					64.1
Income taxes payable					64.2
Deferred income taxes					848.6
Classification Adjustment As Revised | Accounting Standards Update 2015-17
Significant Accounting Policies [Line Items]
Prepaid expenses and other current assets, net	33.0		33.0		(139.1)
Other noncurrent assets, net	(4.8)		(4.8)		38.8
Income taxes payable					(3.4)
Deferred income taxes	(28.2)		(28.2)		(96.9)
DIO Corporation
Significant Accounting Policies [Line Items]
Fair value of direct investment	55.7		55.7		63.4
Trade Accounts Receivable
Significant Accounting Policies [Line Items]
Allowance for doubtful accounts and trade discounts	$ 23.2		$ 23.2		$ 22.7