Subsequent Events - Additional Information (Detail) - Subsequent Event $ in Millions	May. 02, 2016 USD ($) facility
Subsequent Event [Line Items]
Number of facilities | facility	2
Minimum
Subsequent Event [Line Items]
Expected restructuring costs	$ 3.0
Maximum
Subsequent Event [Line Items]
Expected restructuring costs	4.0
Employee Costs | Minimum
Subsequent Event [Line Items]
Expected restructuring costs	1.0
Employee Costs | Maximum
Subsequent Event [Line Items]
Expected restructuring costs	1.5
Capital Expenditures | Minimum
Subsequent Event [Line Items]
Expected restructuring costs	0.3
Capital Expenditures | Maximum
Subsequent Event [Line Items]
Expected restructuring costs	0.5
Other Restructuring | Minimum
Subsequent Event [Line Items]
Expected restructuring costs	1.7
Other Restructuring | Maximum
Subsequent Event [Line Items]
Expected restructuring costs	$ 2.0