Contract Revenue and Pass-through and Other Revenue (Tables)

12 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Deferred Revenue Remaining Performance Obligations

The deferred revenue balance as of September 30, 2023 represents our aggregate remaining performance obligations that will be recognized as revenue over the period in which the performance obligations are satisfied, and is expected to be recognized as revenue as follows (in thousands):

Periods Ending
September 30,	Total Revenue
2024	$	4,880
2025		5,281
2026		4,199
2027		3,835
2028		2,008
Thereafter		844
Total	$	21,047