Supplementary Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2013

Supplementary Cash Flow Information (Tables) [Abstract]

Schedule of supplemental Cash Flow information

		Three months ended March 31,
		2013		2012
Supplementary cash flow information:
	Cash paid for interest	$	165,596	$	124,210
	Cash paid for income taxes (1)	$	59,708	$	12,875
	Cash inflow for income taxes from stock option exercises	$	522	$	583
Supplemental disclosures of cash flow information:
	Details for acquisitions:
	Assets acquired	$	(69,485)	$	(2,345,375)
	Liabilities assumed		3,334		299,947
	Noncontrolling interest subject to put provisions		6,294		53,900
	Noncontrolling interest		4,527		130,000
	Obligations assumed in connection with acquisition		3,690		652
	Cash paid		(51,640)		(1,860,876)
	Less cash acquired		2,530		159,277
	Net cash paid for acquisitions		(49,110)		(1,701,599)
	Cash paid for investments		(22,185)		-
	Cash paid for intangible assets		(919)		(1,203)
	Total cash paid for acquisitions and investments, net of cash acquired, and purchases of intangible assets	$	(72,214)	$	(1,702,802)
	(1) Net of tax refund.