Rendering

Component: (Network and Table)
Network
41902 - Disclosure - Commitments and Contingent Liabilities (Schedule of Product Warranty Liability) (Details)
(http://www.lbfoster.com/role/DisclosureCommitmentsAndContingentLiabilitiesScheduleOfProductWarrantyLiabilityDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000352825 (http://www.sec.gov/CIK)
Commitments and Contingent Liabilities [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Commitments and Contingent Liabilities [Abstract]
 
Balance, Beginning
8,755,000  
Additions to warranty liability
2,524,000  
Warranty liability utilized
(1,125,000) 
Balance, Ending
10,154,000