CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 64,140	$ 55,893
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	29,481	34,031
Amortization of deferred financing costs	1,152	1,378
Stock-based compensation expense	8,473	6,194
Deferred income tax expense	12,045	15,355
Equity in earnings of unconsolidated ventures	(98)	(407)
Changes in operating assets and liabilities, net of effect of business acquisitions:
Accounts receivable, net	35,216	(7,443)
Prepaid expenses and other assets	(7,170)	630
Accounts payable and other accrued expenses	11,870	16,543
Accrued compensation and benefits	(16,998)	(9,945)
Income taxes payable and receivable	(2,768)	(18,318)
Supplemental retirement savings plan obligations and other long-term liabilities	(647)	(635)
Net cash provided by operating activities	134,696	93,276
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(7,642)	(7,330)
Cash paid for business acquisitions, net of cash acquired	(15,578)
Net investments in unconsolidated joint ventures		460
Other	(684)	636
Net cash used in investing activities	(23,904)	(6,234)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from borrowings under bank credit facilities, net of financing costs	154,488	148,222
Principal payments made under bank credit facilities	(228,982)	(263,750)
Proceeds from employee stock purchase plans	1,577	1,745
Repurchases of common stock	(1,689)	(1,776)
Payment of taxes for equity transactions	(2,560)	(6,401)
Other	1,395	2,600
Net cash used in financing activities	(75,771)	(119,360)
Effect of exchange rate changes on cash and cash equivalents	(1,388)	(1,269)
Net increase (decrease) in cash and cash equivalents	33,633	(33,587)
Cash and cash equivalents, beginning of period	35,364	64,461
Cash and cash equivalents, end of year	68,997	30,874
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for income taxes, net of refunds	28,237	29,001
Cash paid during the period for interest	16,362	$ 16,818
Non-cash financing and investing activities:
Accrued capital expenditures	$ 266