Stock-Based Compensation - Narrative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Income tax benefit realized	$ 10,110,000	$ 8,218,000	$ 8,009,000
ESPP Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for grants (in shares)	1,500,000
Percentage of fair market value	95.00%
Percentage of employee compensation	20.00%
Stock-based compensation expense	$ 0
Cumulative shares purchased under ESPP Plan (in shares)	1,330,161
Cumulative weighted-average purchase price per share (in dollars per shares)	$ 77.17
Shares purchased under ESPP Plan (in shares)	36,695
Weighted-average price per share (in dollars per shares)	$ 263.40
MSPP Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for grants (in shares)	500,000
Percentage of annual bonus in lieu of which RSU received	100.00%	100.00%	100.00%
MSPP Plan | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of annual bonus in lieu of which RSU received	100.00%
DSPP Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for grants (in shares)	75,000
Percentage of annual bonus in lieu of which RSU received	100.00%
Number of awards outstanding (in shares)	0
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total intrinsic value of RSUs that vested	$ 41,900,000	$ 49,600,000	$ 52,700,000
Income tax benefit realized	10,700,000	$ 12,900,000	$ 13,900,000
Unrecognized compensation cost	$ 56,000,000
Weighted-average period to recognize unrecognized compensation cost (in years)	1 year 10 months 13 days
Vesting period (in years)	3 years	3 years	3 years