PREFERRED STOCK AND COMMON SHAREHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stockholders' Equity Note [Abstract]
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax				$ 0.0	$ 0.1	$ 10.1	$ 0.0
Common shares issued and outstanding [Abstract]
Common shares issued	107.1	108.1	115.8	123.9	107.1	108.1	115.8
In treasury	(22.5)	(22.4)	(22.3)	(22.6)	(22.5)	(22.4)	(22.3)
Outstanding				101.3	84.6
Common stock, shares authorized (in shares)				265.0
Common stock, par value per share (in dollars per share)				$ 0.10
Preferred stock, shares authorized (in shares)				30.0
Preferred stock, par value per share (in dollars per share)				$ 0.10
Rollforward of common shares issued [Abstract]
Common shares issued, beginning balance (in shares)	107.1	108.1	115.8
Common stock issued under employee stock plans (in shares)	1.5	1.6	2.6
Common stock issued upon conversion of zero-coupon subordinated notes (in shares)	0.0	0.1	0.1
Common stock shares issued for Acquisition	15.3	0.0	0.0
Common shares repurchased (in shares)	0.0	(2.7)	(10.4)
Common shares issued, ending balance (in shares)	123.9	107.1	108.1
Rollforward of common shares held in treasury [Abstract]
Common shares held in treasury, beginning balance	22.5	22.4	22.3
Surrender of restricted stock and performance share awards	0.1	0.1	0.1
Common shares held in treasury, ending balance	22.6	22.5	22.4
Share repurchase program [Abstract]
Purchase of common stock		$ (269.0)	$ (1,015.6)
Outstanding common stock repurchase authorization				$ 789.5
Foreign Currency Translation Adjustments
Foreign Currency Translation Adjustments, balance	$ 68.0	123.2	162.9
Current year adjustments, Foreign Currency Translation Adjustments	(370.7)	(89.5)	(63.2)
Tax effect of adjustments, Foreign Currency Translation Adjustments	90.1	34.3	23.5
Foreign Currency Translation Adjustments, balance	(212.6)	68.0	123.2
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax	19.0	(12.0)	31.6
Net Benefit Plan Adjustments
Net Benefit Plan Adjustments, balance	(78.6)	(67.1)	(93.5)
Tax effect of adjustments, Net Benefit Plan Adjustments	(3.5)	7.1	(15.7)
Net Benefit Plan Adjustments, balance	(74.4)	(78.6)	(67.1)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	0.0	6.3	(6.3)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax	(0.1)	(16.3)	16.4
Interest Rate Swap Adjustments
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(351.8)	(99.5)	(15.2)
Accumulated Other Comprehensive Earnings
Accumulated Other Comprehensive Earnings, balance				$ 287.0	$ 10.5	$ (66.2)	$ (69.4)
Tax effect of adjustments, Accumulated Other Comprehensive Earnings	86.6	47.7	1.5
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	0.0	0.0	0.0
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax	(11.3)	(6.6)	10.5
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	0.0	(18.3)	0.0
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(11.3)	(24.9)	$ 10.5
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments and Tax	$ (0.1)	$ 2.0