GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Goodwill, Net

The changes in goodwill for the three months ended March 31, 2013 and for the year ended December 31, 2012 are as follows:

	March 31, 2013			December 31, 2012
Balance at beginning of period	$	5,535,848		$	5,795,765
Goodwill acquired during the period	94,339			28,144
Goodwill impairment and write-off associated with sale of business during the period	—			(85,173		)
Reclassification to non-current assets held for sale	—			(218,795		)
(Decrease) increase related to foreign currency translation	(85		)	15,907
Balance at end of period	$	5,630,102		$	5,535,848

Intangible Assets Excluding Goodwill

Intangible assets at March 31, 2013 and December 31, 2012 consisted of the following:

	Weighted Average Amortization Period (in Years)	March 31, 2013							December 31, 2012
		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Amortizing intangible assets:
Customer-related intangibles	19	$	611,901	$	(182,085	)	$	429,816	$	566,701	$	(173,516	)	$	393,185
Non-compete agreements	4	38,551		(19,502		)	19,049		38,551		(17,123		)	21,428
Technology	14	131,040		(28,073		)	102,967		131,040		(25,144		)	105,896
Other	8	143,153		(43,041		)	100,112		141,818		(37,634		)	104,184
Total	16	924,645		(272,701		)	651,944		878,110		(253,417		)	624,693
Intangible assets not subject to amortization:
Tradenames		246,200		—			246,200		246,200		—			246,200
In-process research and development		120		—			120		120		—			120
Other		1,159		—			1,159		1,159		—			1,159
Total intangible assets		$	1,172,124	$	(272,701	)	$	899,423	$	1,125,589	$	(253,417	)	$	872,172

Future Amortization Expense Intangible Assets

The estimated amortization expense related to amortizable intangible assets for each of the five succeeding fiscal years and thereafter as of March 31, 2013 is as follows:

Year Ending December 31,
Remainder of 2013	$	57,786
2014	73,847
2015	62,565
2016	55,855
2017	52,101
2018	45,361
Thereafter	304,429
Total	$	651,944

In December 2012, $219 million of goodwill and $111 million of intangible assets, net were reclassified to non-current assets held for sale in the Consolidated Balance Sheet. For further discussion see Note 12.