Commitments and Contingencies (Additional Information) (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Loss Contingencies [Line Items]
Operating leases rent expense	$ 5.1	$ 6.4	$ 4.0
Lydall Gerhardi \| Unfavorable Regulatory Action
Loss Contingencies [Line Items]
Maximum Fine Percentage of Revenue	10.00%

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration