GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Carrying Amount of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
Jun. 30, 2013	Dec. 31, 2012
Goodwill [Roll Forward]
Beginning Balance	$ 2,065,103	$ 1,913,703
Goodwill acquired during year	58,975	177,076
Goodwill allocation adjustments	(525)	(29,920)
Sale of business		(1,178)
Changes due to currency fluctuation	(29,094)	5,422
Ending Balance	2,094,459	2,065,103
United States
Goodwill [Roll Forward]
Beginning Balance	1,616,286	1,506,416
Goodwill acquired during year	15,435	114,931
Goodwill allocation adjustments	996	(5,061)
Sale of business		0
Changes due to currency fluctuation	0	0
Ending Balance	1,632,717	1,616,286
International
Goodwill [Roll Forward]
Beginning Balance	448,817	407,287
Goodwill acquired during year	43,540	62,145
Goodwill allocation adjustments	(1,521)	(24,859)
Sale of business		(1,178)
Changes due to currency fluctuation	(29,094)	5,422
Ending Balance	$ 461,742	$ 448,817

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details

- Definition

The increase (decrease) in the recorded value of goodwill for foreign currency translation adjustments and purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

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+ Details

- Definition

Write-off of the carrying amount of goodwill associated with all or a portion of a reporting unit that is sold in the period.

+ References+ Details