CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 93,644	$ 67,977
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	30,144	26,762
Amortization of deferred financing costs	583	589
Non-cash lease expense	19,056	17,825
Stock-based compensation expense	7,847	7,038
Deferred income taxes	2,339	5,485
Changes in operating assets and liabilities, net of effect of business acquisitions:
Accounts receivable, net	20,987	21,589
Prepaid expenses and other assets	(21,420)	(25,989)
Accounts payable and other accrued expenses	21,109	3,477
Accrued compensation and benefits	(23,882)	(1,267)
Income taxes payable and receivable	8,384	4,463
Operating lease liabilities	(19,364)	(17,450)
Long-term liabilities	37,473	(7,295)
Net cash provided by operating activities	176,900	103,204
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(16,282)	(22,536)
Cash paid for business acquisitions, net of cash acquired	(354,095)	(1,351)
Net cash used in investing activities	(370,377)	(23,887)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from borrowings under bank credit facilities	839,500	439,500
Principal payments made under bank credit facilities	(630,230)	(506,230)
Proceeds from employee stock purchase plans	2,431	1,852
Repurchases of common stock	(2,074)	(1,717)
Payment of taxes for equity transactions	(688)	(467)
Net cash provided by (used in) financing activities	208,939	(67,062)
Effect of exchange rate changes on cash and cash equivalents	2,164	(1,101)
Net increase in cash and cash equivalents	17,626	11,154
Cash and cash equivalents at beginning of period	107,236	72,028
Cash and cash equivalents at end of period	124,862	83,182
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for income taxes, net of refunds	19,725	4,675
Cash paid during the period for interest	8,768	15,114
Non-cash financing and investing activities:
Landlord sponsored tenant improvement	1,389
Accrued capital expenditures	$ 938	$ 3,338