EQUITY - ADDITIONAL INFORMATION (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($) shares	Feb. 14, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares to repurchase | shares	39,000,000
Treasury shares purchased	$ 400.3	$ 815.1	$ 112.7
Proceeds from exercise of stock option	$ 82.3	$ 41.0	$ 35.5
Number of stock option exercised | shares	2,300,000	1,200,000	1,100,000
Common shares available under share repurchase program | shares	1,300,000
Related deferred income tax benefit	$ 8.4	$ 10.9	$ 7.1
Conversion ratio for RSUs and restricted stock	3.09
Share-based compensation expense	$ 46.6	39.7	24.3
Intrinsic value of options exercised	65.2	38.3	22.3
Total fair value of share vested during the period	$ 44.7	34.8	22.7
Weighted average remaining contractual term of all outstanding options (in years)	5 years 3 months
Weighted average remaining contractual term of exercisable options (in years)	4 years 3 months
SG&A expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 45.7	39.1	23.6
Cost of products sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 0.7	0.6	0.7
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Related deferred income tax benefit		$ 16.1	$ 11.6
Award expiration period	10 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units, vested, shares issuable upon being exercised | shares	1
Exercisable period following death, disability or qualified retirement	1 year
Unamortized compensation costs	$ 26.5
Weighted average period for cost recognition	1 year 3 months
Nonqualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock option exercised | shares	2,300,000
Number of unvested stock options | shares	1,300,000
Unamortized compensation costs	$ 6.6
Weighted average period for cost recognition	1 year 7 months
Weighted average remaining contractual term of all outstanding options (in years)	5 years 3 months 20 days
Equity Incentive Plan 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized grants under the plan | shares	25,000,000
Number of shares available for grant | shares	33,700,000
Equity Incentive Plan 2016 | Key Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cap on restricted stock or RSU | shares	1,000,000
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share repurchase program, remaining authorization				$ 500.0