Supplemental Consolidated Financial Information and Discontinued Operations - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Allowance for valuation of inventory:
Valuation and Qualifying Accounts
Balance at Beginning of Period	$ 6,801	$ 6,143	$ 7,090
Charged to Expense	2,400	658	0
Charged to Revenue	0	0	0
Deductions	0	0	947
Balance at End of Period	9,201	6,801	6,143
Allowance for uncollectible pawn service charges receivable:
Valuation and Qualifying Accounts
Balance at Beginning of Period	10,569	10,396	9,025
Charged to Expense	0	0	0
Charged to Revenue	742	173	1,371
Deductions	0	0	0
Balance at End of Period	11,311	10,569	10,396
Allowance for uncollectible consumer loan fees and interest receivable:
Valuation and Qualifying Accounts
Balance at Beginning of Period	283	241	12,045
Charged to Expense	0	0	0
Charged to Revenue	48	42	0
Deductions	0	0	11,804
Balance at End of Period	331	283	241
Allowance for valuation of deferred tax assets:
Valuation and Qualifying Accounts
Balance at Beginning of Period	17,860	21,078	19,567
Charged to Expense	2,394	0	1,511
Charged to Revenue	0	0	0
Deductions	0	3,218	0
Balance at End of Period	$ 20,254	17,860	$ 21,078
Grupo Finmart | Discontinued Operations, Disposed of by Sale | Allowance for uncollectible consumer loan fees and interest receivable:
Valuation and Qualifying Accounts
Deductions		$ 9,200