Commitments and Contingencies - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2015 Case	Sep. 30, 2011 Case	Jun. 30, 2015 USD ($) Lawsuit
Commitments and Contingencies Disclosure [Abstract]
Number of lawsuits against Company | Lawsuit			12
Number of active product liability cases | Case	13	55
Schedule of Commitments and Contingencies [Line Items]
Letters of credit outstanding amount			$ 3.0
Expiring May 2017
Schedule of Commitments and Contingencies [Line Items]
Letters of credit outstanding amount			2.7
Expiring January 2017
Schedule of Commitments and Contingencies [Line Items]
Letters of credit outstanding amount			0.3
Surety Bond
Schedule of Commitments and Contingencies [Line Items]
Bonds outstanding			2.4
Surety Bond | Expiring in July 2018
Schedule of Commitments and Contingencies [Line Items]
Bonds outstanding			2.2
Scenario, Forecast | Surety Bond
Schedule of Commitments and Contingencies [Line Items]
Bonds outstanding			$ 0.2