Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Unearned Revenue (Details)
Total Revenue	$ 107,702	$ 111,144	$ 213,791	$ 220,450
North America, primarily the United States
Unearned Revenue (Details)
Total Revenue	72,398	77,809	152,093	161,274
Europe, Middle East & Africa
Unearned Revenue (Details)
Total Revenue	19,485	20,414	33,875	36,291
Rest of world
Unearned Revenue (Details)
Total Revenue	15,819	12,921	27,823	22,885
Transferred at a point in time
Unearned Revenue (Details)
Total Revenue	80,574	87,088	159,968	172,574
Transferred over time
Unearned Revenue (Details)
Total Revenue	$ 27,128	$ 24,056	$ 53,823	$ 47,876