Stock-Based Awards - Additional Information (Detail) - USD ($) shares in Thousands	3 Months Ended
	Dec. 31, 2023	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Shares, Issued	21,156	21,059
Aggregate of unrecognized stock-based compensation cost	$ 60,806
Weighted average recognition period	2 years 2 months 12 days
Executive Officers [Member] | Relative Total Stockholder Return Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares range percentage	0.00%
Number of shares range percentage	150.00%