Revenue Recognition - Additional Information (Details)			12 Months Ended
	Oct. 31, 2023	Oct. 30, 2023	Sep. 30, 2023 USD ($) Customer	Sep. 30, 2022 USD ($) Customer	Sep. 30, 2021 USD ($) Customer	Dec. 31, 2023 USD ($)
Disaggregation Of Revenue [Line Items]
Revenues			$ 294,475,000	$ 327,891,000	$ 387,182,000
Minimum purchase commitment deals of revenue				$ 47,100,000
Distribution period				5 years
Contract acquisition costs			8,000,000	$ 8,300,000
Contract acquisition cost, amortization			3,800,000	2,500,000	1,900,000
Contract acquisition cost, impairment			0
Capitalized contract cost, amortization			9,900,000	10,200,000	15,400,000
Capitalized contract cost, impairment			0
Accounts receivable, net			61,270,000	45,073,000	45,600,000
Customer One
Disaggregation Of Revenue [Line Items]
Revenues			$ 42,100,000	55,400,000	72,000,000
Customer Two
Disaggregation Of Revenue [Line Items]
Revenues				$ 48,900,000	$ 41,600,000
Subsequent Event | 2013 Acquisition
Disaggregation Of Revenue [Line Items]
Contract termination date	Dec. 31, 2023	Dec. 31, 2025
Forecast | 2013 Acquisition
Disaggregation Of Revenue [Line Items]
Deferred revenue						$ 67,800,000
Revenues | Customer Concentration Risk
Disaggregation Of Revenue [Line Items]
Number of customers accounted for revenues | Customer			1	2	2
Revenues | Customer Concentration Risk | Customer One
Disaggregation Of Revenue [Line Items]
Percentage of revenue			14.30%	16.90%	18.60%
Revenues | Customer Concentration Risk | Customer Two
Disaggregation Of Revenue [Line Items]
Percentage of revenue				14.90%	10.80%
Minimum
Disaggregation Of Revenue [Line Items]
Connected services contract term			1 year
Contract acquisition cost, deferred and amortized over benefit period			1 year
Contract term			1 year
Maximum
Disaggregation Of Revenue [Line Items]
Connected services contract term			5 years
Contract acquisition costs, expected benefit period			1 year
Contract acquisition cost, deferred and amortized over benefit period			8 years
Contract term			8 years