Discontinued Operations and Restructuring - Additional Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenues	$ 2,100	$ 41,400
Restructuring	1,692	0
U.S. Financial Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve	9,000	$ 7,800	$ 16,900	$ 8,900
Fiscal 2015 Restructuring
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring	1,692
Restructuring Reserve	6,718		$ 8,076
Lease termination costs | Fiscal 2015 Restructuring
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring	819
Restructuring Reserve	$ 6,400