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EARNINGS PER SHARE - Number of Shares Underlying Stock Options Excluded from the Computation of Diluted Earnings (Loss) (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of ROIC Awards Excluded from Diluted Shares Outstanding			0.2
Anti-dilutive stock options	0.2	0.3	0.2	0
Average exercise price	$ 43.51		$ 43.51	$ 26.80
Average Exercise Price Zero Anti Dilutive Stock Options		N/A
Years of expiration	2024	N/A	2024	2023

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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