LONG-TERM INCENTIVE EMPLOYEE COMPENSATION - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Equity Based Awards [Member]	Sep. 30, 2014 Liability Based Awards [Member]	Sep. 30, 2014 TSR [Member]	Mar. 04, 2013 TSR [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost not yet recognized			$ 22.5	$ 3.4
Unrecognized compensation cost weighted-average period			2 years 1 month 5 days	1 year 7 months 1 day
Stock option exercised	0.8	1.7
Proceeds from stock option exercised	$ 14.3	$ 28.0
Restricted stock lapsed	0.3
Fair value dividend yield					1.00%
Annualized Dividend Assumption per share					$ 0.44
Company Closing Stock Price						$ 43.52