EARNINGS PER SHARE - Basic and Diluted Loss Per Share (Detail) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Weighted average common shares – basic	89.3	91.7	90.0	91.5
Add: Dilutive impact of outstanding equity awards	0.9	1.3	1.0	1.3
Diluted weighted average common shares outstanding	90.2	93.0	91.0	92.8