FAIR VALUE MEASUREMENTS - Changes to Contingent Consideration (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Business Combination, Contingent Consideration, Liability [Roll Forward]
Contingent consideration at December 31, 2013	$ 12,527
Increases due to acquisitions	15,810	3,378
Decrease due to change of noncontrolling interests	635
Decrease due to payments	(2,916)
Changes due to foreign currency fluctuations	517
Changes in fair value reflected in Selling, general, and administrative expenses	3,953	(122)
Contingent consideration at June 30, 2014	$ 29,256

Business Combination, Contingent Consideration Arrangements, Decrease in Liability

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- Definition

Business Combination, Contingent Consideration Arrangements, Increase in, Liability, Additional Ownership of Noncontrolling Interest

+ References

No definition available.

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- Definition

Contingent Consideration Translation Adjustment

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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-Publisher FASB

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Amount of liability recognized arising from contingent consideration in a business combination.

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-Topic 805

-SubTopic 30

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