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Commitments and Contingent Liabilities (Schedule of Product Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Commitments and Contingent Liabilities [Abstract] |  |
Balance, Beginning | $ 7,483 us-gaap_StandardProductWarrantyAccrual | $ 15,727 us-gaap_StandardProductWarrantyAccrual
Additions to warranty liability | 10,957 us-gaap_StandardProductWarrantyAccrualWarrantiesIssued | 1,695 us-gaap_StandardProductWarrantyAccrualWarrantiesIssued
Warranty liability utilized | (6,992)us-gaap_StandardProductWarrantyAccrualPayments | (9,939)us-gaap_StandardProductWarrantyAccrualPayments
Warranty liabilities acquired | 52 us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition |
Balance, Ending | $ 11,500 us-gaap_StandardProductWarrantyAccrual | $ 7,483 us-gaap_StandardProductWarrantyAccrual

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- Details
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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Liability for a standard product warranty acquired in a business acquisition. Does not include any liability for an extended warranty acquired in a business acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyAccrualPayments
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- Definition Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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