Description of Business (Sale of Photovoltaics and Digital Products Business) (Details) - Discontinued Operations, Disposed of by Sale [Member] $ in Millions	Sep. 30, 2015 USD ($)
Photovoltaics Business [Member] \| Photovoltaics [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset purchase agreement, selling price	$ 149.9
Digital Products Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset purchase agreement, selling price	$ 17.5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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