Subsequent Events (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Sep. 30, 2015	Mar. 31, 2015
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Current assets	$ 456,070	$ 511,747	$ 608,273
Current liabilities	188,607	208,070	177,989
Continuing Operations
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Current assets	395,358	420,849	492,821
Non-current assets	450,747	477,731	559,476
Current liabilities	86,458	119,070	93,085
Non-current liabilities	195,400	202,492	214,172
Discontinued Operations, Held-for-sale | Grupo Finmart
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intercompany liabilities, net	35,800
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Current assets	60,712	90,898	115,452
Non-current assets	127,632	213,581	209,885
Current liabilities	102,149	89,000	84,904
Non-current liabilities	$ 60,159	$ 100,831	$ 138,461