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Accrued Liabilities (Reconciliation of Product Warranties) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Accrued Liabilities, Current [Abstract] |  |  |
Balance at beginning of period | $ 10,768 us-gaap_StandardProductWarrantyAccrual | $ 10,209 us-gaap_StandardProductWarrantyAccrual | $ 10,452 us-gaap_StandardProductWarrantyAccrual
Provision for warranty claims | 4,675 us-gaap_StandardProductWarrantyAccrualWarrantiesIssued | 5,644 us-gaap_StandardProductWarrantyAccrualWarrantiesIssued | 4,905 us-gaap_StandardProductWarrantyAccrualWarrantiesIssued
Warranty claims | (3,906)us-gaap_StandardProductWarrantyAccrualPayments | (5,054)us-gaap_StandardProductWarrantyAccrualPayments | (5,272)us-gaap_StandardProductWarrantyAccrualPayments
Other | (389)us-gaap_StandardProductWarrantyAccrualCurrencyTranslationIncreaseDecrease | (31)us-gaap_StandardProductWarrantyAccrualCurrencyTranslationIncreaseDecrease | 124 us-gaap_StandardProductWarrantyAccrualCurrencyTranslationIncreaseDecrease
Balance at end of period | $ 11,148 us-gaap_StandardProductWarrantyAccrual | $ 10,768 us-gaap_StandardProductWarrantyAccrual | $ 10,209 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 Increase or Decrease in standard product warranty liability due to currency translation. Does not include any Increase or Decrease in an extended product warranty liability due to currency translation. + 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
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Balance Type: | debit
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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
Name: | us-gaap_StandardProductWarrantyAccrualWarrantiesIssued
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