Subsequent Events - Disposal Group Valuation (Details) (USD $) In Thousands, unless otherwise specified				0 Months Ended
	Sep. 30, 2014 Photovoltaics Business	Sep. 30, 2014 Digital Products Business	Sep. 30, 2014 Photovoltaics Photovoltaics Business	Dec. 10, 2014 Subsequent Event General Counsel	Dec. 10, 2014 Subsequent Event Chief Administration Officer
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Accounts receivable, net of allowance		$ 14,268	$ 17,827
Inventory		3,225	7,203
Prepaid expenses and other current assets		30	1,512
Property, plant and equipment, net		7,889	26,486
Other intangible assets, net		1,060
Goodwill			20,384
Other non-current assets, net			254
Total assets		26,472	73,666
Accounts payable		10,848	4,640
Accrued expenses and other current liabilities		38	5,398
Asset retirement obligations			720
Total liabilities		10,886	10,758
Allowance for Doubtful Accounts	$ 0	$ 17
Continuance Of Salary, Days				476 days	518 days
Continuance Of Benefits, Months				18 months	18 months