2023 Restructuring Plan - Narrative (Details) - 2023 Restructuring Plan $ in Thousands		3 Months Ended	9 Months Ended
	May 03, 2023 employee	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected number of positions eliminated | employee	270
Restructuring and related cost, number of positions eliminated, period percent	25.00%
Restructuring charges		$ 12,672	$ 12,700
Restructuring reserve		2,778	2,778
Severance and related benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		8,622
Restructuring and related cost, expected cost		400	400
Restructuring reserve		2,778	2,778
Other associated costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		430
Restructuring and related cost, expected cost		600	600
Restructuring reserve		$ 0	$ 0