SUPPLEMENTAL CASH FLOW & OTHER DATA (Tables)

9 Months Ended

Sep. 30, 2012

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow and Other Data

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Depreciation expense	$	51,310		$	53,945		$	154,939		$	161,588
Interest expense	(41,685		)	(44,059		)	(127,311		)	(129,570		)
Interest income	657			651			2,008			1,652
Interest expense, net	(41,028		)	(43,408		)	(125,303		)	(127,918		)
Interest paid	47,390			55,718			129,380			128,301
Income taxes paid	89,338			24,934			292,147			132,655
Assets acquired under capital leases	1,215			2,927			4,170			5,624
Businesses acquired:
Fair value of assets acquired	—			4,729			50,800			1,560,173
Fair value of liabilities assumed	—			—			269			148,192
Fair value of net assets acquired	—			4,729			50,531			1,411,981
Merger consideration paid (payable)	6			157,409			43			(1,151		)
Cash paid for business acquisitions	6			162,138			50,574			1,410,830
Less: Cash acquired	—			—			—			112,312
Business acquisitions, net of cash acquired	$	6		$	162,138		$	50,574		$	1,298,518