EQUITY (Details) - USD ($) shares in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Changes in common shares and treasury stock
Common stock issued, balance at beginning of period	207.2
Common stock issued, balance at end of period	207.7
Balance, beginning of period (in dollars )	$ 362.6
Treasury stock purchases		$ 29.0
Balance, end of period (in dollars )	$ 362.6
Common Stock
Changes in common shares and treasury stock
Common stock issued, balance at beginning of period	207.2	206.8
Stock-based compensation	0.5	0.7
Treasury stock purchases		0.0
Common stock issued, balance at end of period	207.7	207.5
Treasury Stock
Changes in common shares and treasury stock
Treasury stock balance at beginning of period	4.9	4.8
Stock-based compensation	0.0	0.1
Treasury stock purchases		0.4
Treasury stock balance at end of period	4.9	5.3
Balance, beginning of period (in dollars )	$ 362.6	$ 351.9
Stock-based compensation (in dollars )	0.0	7.8
Treasury stock purchases		29.0
Balance, end of period (in dollars )	362.6	$ 388.7
Septembertwothousandthirteenrepurchase [Member] [Member] | Treasury Stock
Changes in common shares and treasury stock
Shares authorized to be repurchased Sep 2013 to date (in dollars)	500.0
Remaining repurchased available under the authorization (in dollars)	$ 437.4