Consolidated Statements Of Cash Flows (USD $) In Thousands	12 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2009
CASH FLOWS FROM OPERATING ACTIVITIES
Net income before noncontrolling interest in earnings of joint venture	$ 145,152		$ 107,258		$ 90,417	[1]
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	56,067		53,039		46,592	[1]
Non-cash interest expense	11,235		10,499		9,809	[2]
Amortization of deferred financing costs	2,785		2,356		2,553	[2]
Stock-based compensation expense	17,915	[3]	30,750	[3]	16,821	[2],[3]
Deferred income tax expense (benefit)	7,587		(4,703)		9,624	[2]
Undistributed earnings of unconsolidated joint venture	(1,755)
Changes in operating assets and liabilities, net of effect of business acquisitions:
Accounts receivable, net	(23,624)		(49,291)		(36,055)	[2]
Prepaid expenses and other assets	(18,391)		(11,628)		(5,555)	[2]
Accounts payable and other accrued expenses	(8,394)		49,910		12,330	[2]
Accrued compensation and benefits	13,085		9,423		5,030	[2]
Income taxes payable and receivable	8,590		3,288		2,177	[2]
Deferred rent	809		(145)		(1,585)	[2]
Supplemental retirement savings plan obligations and other long-term liabilities	14,903		8,588		(1,240)	[2]
Net cash provided by operating activities	225,964		209,344		150,918	[2]
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(14,388)		(22,503)		(12,369)	[2]
Cash paid for business acquisitions, net of cash acquired	(133,034)		(87,943)		(26,532)	[2]
Investment in unconsolidated joint venture, net	(5,964)		(2,428)
Other	798		(3)		133	[2]
Net cash used in investing activities	(152,588)		(112,877)		(38,768)	[2]
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from borrowings under bank credit facilities, net of financing costs	343,978				628	[2]
Payments made under bank credit facilities	(482,403)		(53,600)		(4,547)	[2]
Proceeds from employee stock purchase plans	4,116		4,501		5,550	[2]
Proceeds from exercise of stock options	22,077		5,589		2,129	[2]
Repurchases of common stock	(53,647)	[3]	(3,496)	[3]	(23,705)	[2],[3]
Other	1,546		(7)		(1,156)	[2]
Net cash used in financing activities	(164,333)		(47,013)		(21,101)	[2]
Effect of exchange rate changes on cash and cash equivalents	1,231		(3,399)		(2,957)	[2]
Net (decrease) increase in cash and cash equivalents	(89,726)		46,055		88,092	[2]
Cash and cash equivalents, beginning of year	254,543		208,488	[2]	120,396	[2]
Cash and cash equivalents, end of year	164,817		254,543		208,488	[2]
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for income taxes, net of refunds	65,875		66,713		50,223	[2]
Cash paid for interest	10,709		13,694		19,537	[2]
Non-cash financing and investing activities:
Landlord-financed leasehold improvements	$ 2,853		$ 16,815		$ 5,276	[2]

[1] Certain amounts for the year ended June 30, 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.

[2] Certain amounts for the year ended June 30, 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.

[3] Certain amounts as of and for the years ended June 30, 2008 and 2009 have been adjusted to reflect the retroactive application of new accounting standards. See Note 3.