Business Segment Information - Schedule Of Geographic Information Long-Lived Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Long-Lived Assets	$ 154,265	$ 139,870
United States [Member]
Long-Lived Assets	141,000	131,500
MEXICO
Long-Lived Assets	3,800	3,100
Other [Member]
Long-Lived Assets	$ 9,500	$ 5,300