Discontinued Operations - Schedule of Assets and Liabilities (Details) (Granville-Phillips [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Granville-Phillips [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventory	$ 3,308
Property, plant and equipment	364
Goodwill	24,106
Assets held for sale	27,778
Deferred revenue	43
Accrued warranty and retrofit costs	89
Liabilities held for sale	$ 132

Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of.

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Amount classified as deferred revenue attributable to disposal group held for sale or disposed of.

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Amount classified as goodwill attributable to disposal group held for sale or disposed of.

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Amount classified as inventory attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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