Basis of Presentation (Antidilutive Securities) (Details) - shares shares in Thousands	Sep. 30, 2023	Sep. 30, 2022
Restricted stock, restricted stock units and performance stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of antidilutive equity-based instruments outstanding (in shares)	966	196
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of antidilutive equity-based instruments outstanding (in shares)	992	0
Employee Stock Purchase Plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of antidilutive equity-based instruments outstanding (in shares)	6	8