Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Income Tax Contingency [Line Items]
Effective tax rate				21.00%	(40.00%)	42.00%
Net deferred tax assets	$ 17,064			$ 17,064	$ 9,161
Valuation allowance related to deferred tax assets	1,967			1,967	3,787
Income tax benefit				(14,425)	3,894	$ (461)
Undistributed earnings of foreign subsidiaries	17,900			17,900
Increase in valuation allowance	1,900	$ (5,900)		1,800
Unrecognized tax benefits, if recognized, would impact the effective tax rate	1,600			1,600	$ 1,100	1,100
Decrease in unrecognized tax benefits is reasonably possible	600			600
International
Income Tax Contingency [Line Items]
Valuation allowance related to deferred tax assets						$ 100
Operating loss carryforwards	6,800			6,800
International | United Kingdom
Income Tax Contingency [Line Items]
Net deferred tax assets	$ 1,900			1,900
Income tax benefit				$ (1,900)
International | Canada
Income Tax Contingency [Line Items]
Net deferred tax assets			$ 5,900
Income tax benefit			$ 5,900