Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Reconciliation of Weighted-Average Outstanding Shares Used in Calculations of Basic and Diluted EPS) (Detail)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Reconciliation of Weighted-Average Outstanding Shares Used in Calculations of Basic and Diluted EPS) (Detail) - shares
shares in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]      
Weighted-average shares outstanding (basic) 118.7 121.2 121.2
Effect of dilutive securities:      
Stock options and restricted stock units 2.2 2.3 2.5
Weighted-average shares outstanding (diluted) 120.9 123.5 123.7