Commitments and Contingencies - Additional Information (Detail) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2015 USD ($) Lawsuit Case	Sep. 30, 2011 Case	Dec. 31, 2015 USD ($) Lawsuit	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items]
Rent expense under operating lease			$ 1.0	$ 0.9	$ 0.8
Open purchase order	$ 23.0		$ 23.0
Number of lawsuits against Company | Lawsuit	9		9
Number of active product liability cases | Case	9	55
Cases that were dismissed or judgment entered | Case	7
Severance costs				$ 0.5
Letters of credit outstanding amount	$ 3.0		$ 3.0
Surety Bond
Loss Contingencies [Line Items]
Bonds outstanding	2.4		2.4
Outstanding surety bonds expected to be released during period	0.2		0.2
Expiring May 2017
Loss Contingencies [Line Items]
Letters of credit outstanding amount	2.7		2.7
Expiring January 2017
Loss Contingencies [Line Items]
Letters of credit outstanding amount	0.3		0.3
Expiring in July 2018 | Surety Bond
Loss Contingencies [Line Items]
Bonds outstanding	2.2		$ 2.2
Minimum
Loss Contingencies [Line Items]
Operating leases, term (ranging from less than one year)			1 year
Amount payable on termination of contract	1.0		$ 1.0
Maximum
Loss Contingencies [Line Items]
Operating leases, term (ranging from less than one year)			15 years
Amount payable on termination of contract	$ 2.0		$ 2.0