Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows used in operating activities:
Net income	$ 80,587	$ 69,695
Reconciliation of net income to net cash used in operating activities:
Depreciation and amortization	60,500	52,989
Equity in (earnings) losses from real estate ventures	(2,682)	10,937
Operating distributions from real estate ventures	555	188
Gain on investments	0	(394)
Provision for loss on receivables and other assets	9,457	9,021
Amortization of deferred compensation	24,149	27,115
Accretion of interest on deferred business acquisition obligations	15,214	17,953
Amortization of debt issuance costs	3,307	4,632
Change in:
Receivables	(16,328)	24,100
Prepaid expenses and other assets	(5,754)	(21,799)
Deferred tax assets, net	29,406	16,475
Excess tax benefit from share-based payment arrangements	(17,524)	(5,580)
Accounts payable, accrued liabilities and accrued compensation	(222,062)	(97,260)
Net cash used in operating activities	(41,175)	108,072
Cash flows used in investing activities:
Net capital additions - property and equipment	(55,902)	(22,797)
Business acquisitions	(234,001)	(11,846)
Capital contributions and advances to real estate ventures	(65,684)	(28,688)
Distributions, repayments of advances and sale of investments	19,424	3,994
Net cash used in investing activities	(336,163)	(59,337)
Cash flows from financing activities:
Proceeds from borrowings under credit facilities	1,264,753	962,787
Repayments of borrowings under credit facilities	(870,100)	(879,000)
Payments of deferred business acquisition obligations	(162,639)	(101,445)
Debt issuance costs	(2,630)	(11,455)
Shares repurchased for payment of employee taxes on stock awards	(30,194)	(19,337)
Excess tax adjustment from share-based payment arrangements	17,524	5,580
Common stock issued under option and stock purchase programs	1,151	1,079
Payment of dividends	(6,753)	(4,490)
Net cash provided by financing activities	211,112	(46,281)
Net decrease in cash and cash equivalents	(166,226)	2,454
Cash and cash equivalents, January 1	251,897	69,263
Cash and cash equivalents, June 30	85,671	71,717
Cash paid during the period for:
Interest	8,730	14,240
Income taxes, net of refunds	53,834	20,817
Non-cash financing activities:
Deferred business acquisition obligations	143,526	0
Provision recorded for potential earn-out obligations	$ 14,722	$ 0