CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 227,749	$ 215,574
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	81,888	58,797
Amortization of deferred financing costs	1,762	1,796
Non-cash lease expense	54,493
Stock-based compensation expense	22,204	18,351
Deferred income taxes	39,527	(1,193)
Changes in operating assets and liabilities, net of effect of business acquisitions:
Accounts receivable, net	36,433	85,995
Prepaid expenses and other assets	(35,461)	(13,284)
Accounts payable and other accrued expenses	27,638	101,473
Accrued compensation and benefits	(4,522)	(18,536)
Income taxes payable and receivable	(42,383)	(1,945)
Operating lease liabilities	(56,240)
Long-term liabilities	4,737	5,813
Net cash provided by operating activities	357,825	452,841
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(54,331)	(29,545)
Cash paid for business acquisitions, net of cash acquired	(102,437)	(1,071,023)
Other		1,875
Net cash used in investing activities	(156,768)	(1,098,693)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from borrowings under bank credit facilities	1,438,500	2,109,500
Principal payments made under bank credit facilities	(1,593,690)	(1,414,690)
Payment of financing costs under bank credit facilities		(1,386)
Payment of contingent consideration	(8,700)	(616)
Proceeds from employee stock purchase plans	5,463	4,265
Repurchases of common stock	(5,584)	(4,310)
Payment of taxes for equity transactions	(30,616)	(18,837)
Net cash provided by (used in) financing activities	(194,627)	673,926
Effect of exchange rate changes on cash and cash equivalents	(1,302)	(462)
Net increase in cash and cash equivalents	5,128	27,612
Cash and cash equivalents at beginning of period	72,028	66,194
Cash and cash equivalents at end of period	77,156	93,806
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for income taxes, net of refunds	46,895	55,967
Cash paid during the period for interest	41,151	31,083
Non-cash financing and investing activities:
Landlord sponsored tenant improvement	1,630	3,518
Accrued capital expenditures	$ 3,687	$ 3,557