FAIR VALUE MEASUREMENTS - Additional Information (Detail) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative asset	$ 816,000	$ 1,207,000
Contingent consideration liabilities	24,119,000	25,390,000
Debt obligations, carrying amount	2,959,316,000	3,214,048,000
Maximum
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Maximum contingent liability if financial performance measures were fully met	25,400,000
Level 3 Inputs [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative asset	0	0
Contingent consideration liabilities	24,119,000	25,390,000
Level 3 Inputs [Member] \| Current Liabilities [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Contingent consideration liabilities	8,100,000	9,100,000
Level 2 Inputs
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative asset	816,000	1,207,000
Contingent consideration liabilities	0	0
Debt obligations, fair value	$ 2,970,000,000	$ 3,220,000,000

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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- Definition

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

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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