STOCK BASED COMPENSATION - Tax Benefits Related to Stock Compensation (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Tax benefit recognized in Statement of Income	$ 2,468	$ 909
Excess tax benefit realized	$ 8,222	$ 3,734

Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 20

-Section 55

-Paragraph 24

-URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11374-113907

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration