Short-term Debt	9 Months Ended
	Jun. 30, 2021
Debt Disclosure [Abstract]
Short-term Debt	Short-term DebtOur short-term debt as of June 30, 2021, primarily consists of $23.5 million of interest-bearing loans from Schlumberger to Sensia which were originally due September 30, 2020, and are now due September 30, 2021. The short-term loans from Schlumberger were entered into following the formation of Sensia in fiscal 2020. There were no commercial paper borrowings outstanding at June 30, 2021, or September 30, 2020.