FAIR VALUE MEASUREMENTS - Changes to Contingent Consideration (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Business Combination, Contingent Consideration, Liability [Roll Forward]
Contingent consideration at December 31, 2014	$ 19,941
Increases due to acquisitions	13,301	0
Decrease due to payments	(750)
Changes due to foreign currency fluctuations	(3,394)
Changes in fair value reflected in Selling, general, and administrative expenses	(675)	4,789
Contingent consideration at March 31, 2015	$ 28,423

Business Combination, Contingent Consideration Arrangements, Decrease in Liability

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- Definition

Contingent Consideration Translation Adjustment

+ References

No definition available.

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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

-SubTopic 30

-Section 30

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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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

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- Definition

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

+ References

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-Topic 805

-SubTopic 30

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-Subparagraph b

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