SUPPLEMENTAL CASH FLOW & OTHER DATA (Tables)

6 Months Ended

Jun. 30, 2012

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow and Other Data

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Depreciation expense	$	51,686		$	54,127		$	103,629		$	107,643
Interest expense	(42,639		)	(47,231		)	(85,626		)	(85,510		)
Interest income	697			650			1,351			1,000
Interest expense, net	(41,942		)	(46,581		)	(84,275		)	(84,510		)
Interest paid	32,208			17,539			81,990			72,583
Income taxes paid	192,556			97,119			202,809			107,721
Assets acquired under capital leases	1,763			1,876			2,955			2,697
Businesses acquired:
Fair value of assets acquired	—			1,555,444			50,800			1,555,444
Fair value of liabilities assumed	—			148,192			269			148,192
Fair value of net assets acquired	—			1,407,252			50,531			1,407,252
Merger consideration paid (payable)	12			(158,560		)	37			(158,560		)
Cash paid for business acquisitions	12			1,248,692			50,568			1,248,692
Less: Cash acquired	—			112,312			—			112,312
Business acquisitions, net of cash acquired	$	12		$	1,136,380		$	50,568		$	1,136,380