FAIR VALUE MEASUREMENTS - Fair Value Measurements (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets:
Cash and cash equivalents	$ 38,283	$ 22,236
Short-term investments	116us-gaap_InvestmentsFairValueDisclosure	380us-gaap_InvestmentsFairValueDisclosure
Derivatives financial instruments	1,057us-gaap_DerivativeAssets	515us-gaap_DerivativeAssets
Total assets	39,456us-gaap_AssetsFairValueDisclosure	23,131us-gaap_AssetsFairValueDisclosure
Liabilities:
Contingent consideration	28,423	19,941
Derivatives financial instruments		2,408us-gaap_DerivativeLiabilities
Total liabilities	28,423us-gaap_LiabilitiesFairValueDisclosure	22,349us-gaap_LiabilitiesFairValueDisclosure
Level 1 Inputs [Member]
Assets:
Cash and cash equivalents	38,283	22,236
Short-term investments	116	380
Derivatives financial instruments	0	0
Total assets	38,399	22,616
Liabilities:
Contingent consideration	0	0
Derivatives financial instruments		0
Total liabilities	0	0
Level 2 Inputs [Member]
Assets:
Cash and cash equivalents	0	0
Short-term investments	0	0
Derivatives financial instruments	1,057	515
Total assets	1,057	515
Liabilities:
Contingent consideration	0	0
Derivatives financial instruments		2,408
Total liabilities	0	2,408
Level 3 Inputs [Member]
Assets:
Cash and cash equivalents	0	0
Short-term investments	0	0
Derivatives financial instruments	0
Total assets	0	0
Liabilities:
Contingent consideration	28,423	19,941
Derivatives financial instruments		0
Total liabilities	$ 28,423	$ 19,941

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

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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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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951

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-Name Accounting Standards Codification

-Glossary Cash Equivalents

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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-Topic 210

-SubTopic 20

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-Paragraph 3

-Subparagraph (c)

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Available-for-Sale Securities

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-Publisher FASB

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph a, f, g

-Article 7

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-Glossary Trading Securities

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Fair value of financial and nonfinancial obligations.

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