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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
	Mar. 31, 2014	Mar. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock options	0.2	0.4
Average exercise price	$ 43.52	$ 23.81
Years of expiration	2024
Minimum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Years of expiration		2022
Maximum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Years of expiration		2023
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock options	0.2

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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