Summary of Significant Accounting Policies - Summary of Percentages on Timing of Revenue Recognition (Details) - Revenue from Contract with Customer Benchmark - Product Concentration Risk	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Goods and services transferred at a point in time
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	93.70%	94.10%	93.50%	93.90%
Goods and services transferred over time
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	6.30%	5.90%	6.50%	6.10%