Supplemental Consolidated Financial Information and Discontinued Operations - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Allowance for valuation of inventory:
Valuation and Qualifying Accounts
Balance at Beginning of Period	$ 6,143	$ 7,090	$ 16,043
Charged to Expense	658	0	0
Charged to Revenue	0	0	0
Deductions	0	947	8,953
Balance at End of Period	6,801	6,143	7,090
Allowance for uncollectible pawn service charges receivable:
Valuation and Qualifying Accounts
Balance at Beginning of Period	10,396	9,025	10,307
Charged to Expense	0	0	0
Charged to Revenue	173	1,371	0
Deductions	0	0	1,282
Balance at End of Period	10,569	10,396	9,025
Allowance for uncollectible consumer loan fees and interest receivable:
Valuation and Qualifying Accounts
Balance at Beginning of Period	241	12,045	13,685
Charged to Expense	0	0	0
Charged to Revenue	42	0	0
Deductions	0	11,804	1,640
Balance at End of Period	283	241	12,045
Allowance for valuation of deferred tax assets:
Valuation and Qualifying Accounts
Balance at Beginning of Period	21,078	19,567	14,721
Charged to Expense	0	1,511	4,846
Charged to Revenue	0	0	0
Deductions	3,218	0	0
Balance at End of Period	$ 17,860	21,078	$ 19,567
Grupo Finmart | Discontinued Operations, Disposed of by Sale | Allowance for uncollectible consumer loan fees and interest receivable:
Valuation and Qualifying Accounts
Deductions		$ 9,200