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Stock-based Compensation and Stockholders' Equity - 2021 CEO Performance Awards Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2021	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)		1,084,500
Stock-based compensation expense before taxes		$ 64,014	$ 57,379
2021 CEO Performance Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares)	10,000,000
Stock-based compensation expense before taxes		0	$ 200
Unrecognized compensation cost related to non-vested stock-based awards		$ 0		$ 0

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