Other Accrued and Other Long-Term Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accrued restructuring	$ 332us-gaap_RestructuringReserveCurrent	$ 2,105us-gaap_RestructuringReserveCurrent
Taxes Payable, Current	429us-gaap_TaxesPayableCurrent	508us-gaap_TaxesPayableCurrent
Accrued Income Taxes, Noncurrent	1,699us-gaap_AccruedIncomeTaxesNoncurrent	1,487us-gaap_AccruedIncomeTaxesNoncurrent
Contingent consideration liability	0	390
Deferred compensation plan liability	0	1,276
Adverse purchase commitments	1,733us-gaap_PurchaseObligation	632us-gaap_PurchaseObligation
Other	2,743us-gaap_OtherAccruedLiabilitiesCurrent	2,468us-gaap_OtherAccruedLiabilitiesCurrent
Other accrued liabilities	7,255us-gaap_AccruedLiabilitiesCurrent	9,978us-gaap_AccruedLiabilitiesCurrent
Accrued restructuring	421us-gaap_RestructuringReserveNoncurrent	642us-gaap_RestructuringReserveNoncurrent
Other	98	418
Other long-term liabilities	2,800us-gaap_OtherLiabilitiesNoncurrent	3,276us-gaap_OtherLiabilitiesNoncurrent
Warranty Reserves
Accrued warranty reserve	2,018	2,599
Warranty Reserves
Accrued warranty reserve	$ 582	$ 729

Contingent Consideration Liability, Current

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The noncurrent portion (due beyond one year or one operating cycle) of other accrued expenses (expenses incurred at the end of the reporting period but not yet paid) not otherwise defined in the taxonomy.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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