SUPPLEMENTAL CASH FLOW & OTHER DATA (Tables)

9 Months Ended

Sep. 30, 2013

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow and Other Data

Supplemental cash flow data for the three and nine months ended September 30, 2013 and 2012 is as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2013			2012		2013			2012
Depreciation expense	$	48,810		$	51,310	$	151,705		$	154,939
Amortization expense	20,159			19,961		59,278			60,361
Interest paid	51,767			47,390		135,738			129,380
Income taxes paid	127,294			89,338		332,232			292,147
Assets acquired under capital leases	—			1,215		2,411			4,170
Businesses acquired:
Fair value of assets acquired	—			—		241,016			50,800
Fair value of liabilities assumed	—			—		10,962			269
Fair value of net assets acquired	—			—		230,054			50,531
Merger consideration paid (payable), net	(54		)	6		(50,159		)	43
Cash paid for business acquisitions	(54		)	6		179,895			50,574
Less: Cash acquired	—			—		—			—
Business acquisitions, net of cash acquired	$	(54	)	$	6	$	179,895		$	50,574

Schedule of Cash Flow, Supplemental Disclosures, Continuing Operations

Supplemental continuing operations data for the statement of operations for the three and nine months ended September 30, 2013 and 2012 is as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
Depreciation expense	$	48,810		$	50,627		$	151,481		$	152,882
Interest expense	(40,657		)	(41,451		)	(121,722		)	(126,583		)
Interest income	689			642			1,968			1,922
Interest expense, net	(39,968		)	(40,809		)	(119,754		)	(124,661		)