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Borrowings - Convertible Senior Notes Due 2029 and 2031 (Details)			1 Months Ended		3 Months Ended		9 Months Ended
	Nov. 20, 2025 USD ($) D $ / shares	Jul. 19, 2024 USD ($) D $ / shares	Nov. 30, 2025 USD ($)	Jul. 31, 2024 USD ($)	Mar. 31, 2026 USD ($) $ / shares	Mar. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) D $ / shares	Mar. 31, 2025 USD ($)
BORROWINGS
Proceeds from long-term debt							$ 663,039,000	$ 340,575,000
Amortization of debt discount and issuance costs							2,184,000	1,249,000
Convertible Senior Notes Due 2029
BORROWINGS
Principal amount					$ 350,000,000		$ 350,000,000
Interest rate (as a percentage)					2.25%		2.25%
Conversion price (in dollars per share) \| $ / shares					$ 191.98		$ 191.98
Total interest expense					$ 2,400,000	$ 2,400,000	$ 7,300,000	6,800,000
Interest expense debt excluding amortization					2,000,000	2,000,000	5,900,000	5,500,000
Amortization of debt discount and issuance costs					$ 400,000	$ 400,000	$ 1,400,000	$ 1,300,000
Convertible Senior Notes Due 2029
BORROWINGS
Principal amount				$ 350,000,000
Interest rate (as a percentage)		2.25%		2.25%
Percentage of principal amount				97.50%
Proceeds from long-term debt		$ 340,400,000
Conversion rate		5.209
Debt instrument per principal amount		$ 1,000
Conversion price trading days \| D							20
Debt instrument price percentage		100.00%
Percentage of principal amount redeemed		100.00%
Threshold percentage of stock price		130.00%					130.00%
Number of consecutive trading days \| D		20					30
Conversion price (in dollars per share) \| $ / shares		$ 191.98			$ 191.98		$ 191.98
Convertible Senior Notes Due 2029 \| Calendar quarter commencing after quarter ended on September 30, 2024
BORROWINGS
Conversion price trading days \| D		20
Threshold percentage of stock price		130.00%
Number of consecutive trading days \| D		30
Convertible Senior Notes Due 2029 \| Five consecutive business days after specified period
BORROWINGS
Threshold percentage of stock price		98.00%
Number of consecutive trading days \| D		10
Convertible Senior Notes Due 2031
BORROWINGS
Principal amount			$ 575,000,000
Interest rate (as a percentage)	0.50%		0.50%
Percentage of principal amount			98.00%
Proceeds from long-term debt	$ 563,000,000
Conversion rate	2.8263
Debt instrument per principal amount	$ 1,000
Debt instrument price percentage	100.00%
Percentage of principal amount redeemed	100.00%
Threshold percentage of stock price	130.00%
Number of consecutive trading days \| D	20
Conversion price (in dollars per share) \| $ / shares	$ 353.82
Total interest expense					$ 1,300,000		$ 1,900,000
Interest expense debt excluding amortization					700,000		1,000,000
Amortization of debt discount and issuance costs					$ 600,000		$ 900,000
Convertible Senior Notes Due 2031 \| Calendar quarter commencing after quarter ended on September 30, 2024
BORROWINGS
Conversion price trading days \| D	20
Threshold percentage of stock price	130.00%
Number of consecutive trading days \| D	30
Convertible Senior Notes Due 2031 \| Five consecutive business days after specified period
BORROWINGS
Threshold percentage of stock price	98.00%
Number of consecutive trading days \| D	10