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GOODWILL AND INTANGIBLE ASSETS - RECONCILIATION OF CHANGES IN GOODWILL (Details) $ in Millions		4 Months Ended	9 Months Ended
	Apr. 30, 2016 reporting_unit	Apr. 30, 2016 USD ($)	Sep. 30, 2016 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Number of reporting units \| reporting_unit	20
Goodwill [Roll Forward]
Balance, beginning of the year		$ 1,987.6	$ 1,987.6
Merger related additions			3,762.9
Acquisition related additions			234.1
Adjustments of provisional amounts on prior acquisitions			1.6
Effects of exchange rate changes			70.5
Balance, end of the year			6,056.7
Dental And Healthcare Consumables
Goodwill [Roll Forward]
Balance, beginning of the year		956.6	956.6
Merger related additions			112.9
Acquisition related additions			8.4
Adjustments of provisional amounts on prior acquisitions			1.6
Effects of exchange rate changes			31.2
Balance, end of the year			1,110.7
Technologies
Goodwill [Roll Forward]
Balance, beginning of the year		$ 1,031.0	1,031.0
Merger related additions			3,650.0
Acquisition related additions			225.7
Adjustments of provisional amounts on prior acquisitions			0.0
Effects of exchange rate changes			39.3
Balance, end of the year			$ 4,946.0
Minimum
Goodwill [Line Items]
Discounted cash flow, discount rate (as a percent)		6.70%
Maximum
Goodwill [Line Items]
Discounted cash flow, discount rate (as a percent)		14.70%