SUPPLEMENTAL CASH FLOW & OTHER DATA

9 Months Ended

Sep. 30, 2013

Supplemental Cash Flow Elements [Abstract]

SUPPLEMENTAL CASH FLOW & OTHER DATA

SUPPLEMENTAL CASH FLOW & 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

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		)