EARNINGS PER SHARE - Schedule of Calculation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Basic earnings per share:
Weighted-average shares outstanding (in shares)									199.0	202.1	202.4
Net earnings attributable to shareholders	$ 128.0	$ 155.2	$ 162.9	$ 207.4	$ 158.4	$ 187.6	$ 171.4	$ 202.4	$ 653.5	$ 719.8	$ 683.8
Dividends and undistributed earnings attributable to unvested shares									(1.7)	(1.3)	(1.3)
Net earnings attributable to shareholders used for basic earnings per share calculation									$ 651.8	$ 718.5	$ 682.5
Basic earnings per share (in dollars per share)	$ 0.67	$ 0.77	$ 0.80	$ 1.02	$ 0.78	$ 0.93	$ 0.85	$ 1.00	$ 3.28	$ 3.55	$ 3.37
Diluted earnings per share:
Weighted-average shares outstanding (in shares)									199.0	202.1	202.4
Incremental shares outstanding assuming the exercise/vesting of dilutive stock options/performance shares (in shares)									0.4	0.6	0.7
Weighted-average shares - diluted (in shares)									199.4	202.7	203.1
Net earnings attributable to shareholders	$ 128.0	$ 155.2	$ 162.9	$ 207.4	$ 158.4	$ 187.6	$ 171.4	$ 202.4	$ 653.5	$ 719.8	$ 683.8
Dividends and undistributed earnings attributable to unvested shares									(1.7)	(1.3)	(1.3)
Net earnings attributable to shareholders used for diluted earnings per share calculation									$ 651.8	$ 718.5	$ 682.5
Diluted earnings per share (in dollars per share)	$ 0.67	$ 0.77	$ 0.80	$ 1.02	$ 0.78	$ 0.92	$ 0.84	$ 1.00	$ 3.27	$ 3.54	$ 3.36