SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Reconciliation of Weighted-Average Outstanding Shares used in Calculations of Basic and Diluted EPS) (Detail) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Disclosure Reconciliation Of Weighted Average Outstanding Shares Used In Calculations Of Basic and Diluted E P S [Abstract]
Weighted-average shares outstanding (basic)	118.4	121.1	118.8	121.7
Effect of dilutive securities:
Stock options and restricted stock units	2.2	2.4	2.2	2.4
Weighted-average shares outstanding (diluted)	120.6	123.5	121.0	124.1