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Acquisitions (Acquisition Related Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition [Line Items]
Total acquisition related costs	$ (1,388)us-gaap_BusinessCombinationAcquisitionRelatedCosts	$ 651us-gaap_BusinessCombinationAcquisitionRelatedCosts	$ 700us-gaap_BusinessCombinationAcquisitionRelatedCosts
Selling, general and administrative costs
Business Acquisition [Line Items]
Total acquisition related costs	(1,594)us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember	(34)us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember	456us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember
Cost of sales
Business Acquisition [Line Items]
Total acquisition related costs	$ 206us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember	$ 685us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember	$ 244us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_CostOfSalesMember

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

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