Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENT LIABILITIES (Business Acquisitions) (Details)

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COMMITMENTS AND CONTINGENT LIABILITIES (Business Acquisitions) (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Other Current Liabilities [Member]    
Business Acquisition, Contingent Consideration [Line Items]    
Amount accrued in other liabilities, deferred purchase consideration $ 109.6 $ 18.1
Other Noncurrent Liabilities [Member]    
Business Acquisition, Contingent Consideration [Line Items]    
Amount accrued in other liabilities, deferred purchase consideration 6.1 7.2
Earn Out Arrangements [Member] | Other Current Liabilities [Member]    
Business Acquisition, Contingent Consideration [Line Items]    
Amount accrued in other liabilities, contingent consideration 34.2 5.2
Earn Out Arrangements [Member] | Other Noncurrent Liabilities [Member]    
Business Acquisition, Contingent Consideration [Line Items]    
Amount accrued in other liabilities, contingent consideration $ 35.8 $ 39.0