XML 23 R52.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitments and Contingencies (Details) (Lydall Gerhardi [Member], Unfavorable Regulatory Action [Member])
Mar. 31, 2015
Lydall Gerhardi [Member] | Unfavorable Regulatory Action [Member]
  
Loss Contingencies [Line Items]  
Maximum potential fine, percent of revenue 10.00%ldl_MaximumPotentialFinePercentofRevenue
/ dei_LegalEntityAxis
= ldl_LydallGerhardiMember
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_UnfavorableRegulatoryActionMember