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Balance Type:	na
Period Type:	duration

Description of Business (Sale of Photovoltaics and Digital Products Business) (Details) - Discontinued Operations, Disposed of by Sale [Member] - USD ($) $ in Millions	Oct. 22, 2014	Sep. 17, 2014
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