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Selected Account Information - Components of Other Charges, Net (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Jun. 30, 2017
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Selected Account Information - Schedule Of Selling General And Administrative Expenses                      
Impairment of assets $ 6,000       $ 4,000 $ 1,600 $ 6,200 $ 1,400 $ 6,040 $ 5,570 $ 7,639
Settlement of lawsuits                 225 1,669 317
Loss (gain) on sale of businesses and assets (400) $ (300) $ (1,100) $ (1,200)   $ (1,600)     (2,966) 2,162 (838)
Gain on insurance $ (900) $ (100)             288 20
Gain on settlement of patron tax                 (102)
Other charges                 $ 8,350 $ 9,184 $ 5,761