Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income including portion attributable to noncontrolling interest in earnings of joint ventures	$ 114,457	$ 124,524
Reconciliation of net income including portion attributable to noncontrolling interest to net cash provided by operating activities:
Depreciation and amortization	40,334	41,894
Non-cash interest expense	9,573	8,946
Amortization of deferred financing costs	1,543	1,743
Stock-based compensation expense	6,394	11,095
Deferred income tax expense	16,351	18,109
Distribution of earnings from unconsolidated joint ventures	5,627
Equity in earnings of unconsolidated joint ventures	(2,074)	(1,133)
Other		1,274
Changes in operating assets and liabilities, net of effect of business acquisitions:
Accounts receivable, net	19,032	(73,120)
Prepaid expenses and other assets	(19,888)	(9,397)
Accounts payable and other accrued expenses	(26,872)	35,571
Accrued compensation and benefits	(29,069)	(12,037)
Income taxes payable and receivable	(8,159)	(9,787)
Supplemental retirement savings plan obligations and other long-term liabilities	15,183	7,116
Net cash provided by operating activities	142,432	144,798
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(12,759)	(12,794)
Cash paid for business acquisitions, net of cash acquired	(105,420)	(179,746)
Net investments in unconsolidated joint ventures	(838)
Other	(2,658)	(1,128)
Net cash used in investing activities	(121,675)	(193,668)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from borrowings under bank credit facilities, net of financing costs	788,388	853,751
Principal payments made under bank credit facilities	(649,625)	(700,625)
Payment of contingent consideration	(3,187)	(20,255)
Proceeds from employee stock purchase plans	3,486	3,118
Proceeds from exercise of stock options	7,244	7,410
Repurchases of common stock	(126,507)	(209,680)
Other	105	(589)
Net cash provided by (used in) financing activities	19,904	(66,870)
Effect of exchange rate changes on cash and cash equivalents	(145)	(148)
Net increase (decrease) in cash and cash equivalents	40,516	(115,888)
Cash and cash equivalents, beginning of period	15,740	164,817
Cash and cash equivalents, end of period	56,256	48,929
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for income taxes, net of refunds	59,876	70,973
Cash paid during the period for interest	8,466	8,108
Non-cash financing and investing activities:
Landlord-financed leasehold improvements	$ 2,634	$ 4,514