CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenues	$ 1,850,147	$ 1,605,759
Costs of revenues:
Direct costs	1,272,918	1,055,772
Indirect costs and selling expenses	404,633	382,081
Depreciation and amortization	35,247	35,103
Total costs of revenues	1,712,798	1,472,956
Income from operations	137,349	132,803
Interest expense and other, net	25,571	16,193
Income before income taxes	111,778	116,610
Income taxes	25,731	27,485
Net income	$ 86,047	$ 89,125
Basic earnings per share (in dollars per shares)	$ 3.80	$ 3.81
Diluted earnings per share (in dollars per shares)	$ 3.76	$ 3.76
Weighted-average basic shares outstanding (in shares)	22,647	23,420
Weighted-average diluted shares outstanding (in shares)	22,894	23,678