Discontinued Operations Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014
Assets of discontinued operations:
Current assets of discontinued operations	$ 12,927	$ 44,065
Non-current assets of discontinued operations	8,823	56,239
Liabilities of discontinued operations:
Current liabilities of discontinued operations	7,905	20,924
Non-current liabilities of discontinued operations	0	720
Photovoltaics Business
Assets of discontinued operations:
Accounts receivable, net of allowance	0	17,827
Inventory	0	7,203
Prepaid expenses and other current assets	0	1,512
Current assets of discontinued operations	0	26,542
Property, plant and equipment, net	0	26,660
Goodwill	0	20,384
Other non-current assets, net	0	254
Non-current assets of discontinued operations	0	47,298
Total assets of discontinued operations	0	73,840
Allowance	0	0
Liabilities of discontinued operations:
Accounts payable	0	4,640
Accrued expenses and other current liabilities	0	5,398
Current liabilities of discontinued operations	0	10,038
Asset retirement obligations	0	720
Non-current liabilities of discontinued operations	0	720
Total liabilities of discontinued operations	0	10,758
Digital Products Business
Assets of discontinued operations:
Accounts receivable, net of allowance	9,992	14,268
Inventory	2,905	3,225
Prepaid expenses and other current assets	30	30
Current assets of discontinued operations	12,927	17,523
Property, plant and equipment, net	7,795	7,881
Other intangible assets, net	1,028	1,060
Non-current assets of discontinued operations	8,823	8,941
Total assets of discontinued operations	21,750	26,464
Allowance	25	17
Liabilities of discontinued operations:
Accounts payable	7,894	10,848
Accrued expenses and other current liabilities	11	38
Current liabilities of discontinued operations	$ 7,905	$ 10,886