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Income Taxes - Additional Information (Detail) - Jun. 30, 2015 - USD ($)
$ in Millions
Total
Income Tax Contingency [Line Items]  
Income taxes have not been provided for cumulative undistributed earnings $ 2.0
Interest and penalties related to the unrecognized tax benefits 1.1
Unrecognized tax benefits that if recognized would affect the effective tax rate $ 2.0
Amount of existing unrecognized tax benefits increase or decrease Within the next 12 months
Federal [Member]  
Income Tax Contingency [Line Items]  
Operating loss carry-forwards $ 14.1
Operating loss carry-forwards, expire date Jun. 30, 2035
R&D carried forwards $ 1.0
Tax credit carry-forwards, expire date Jun. 30, 2034
Federal [Member] | Stock option windfall deductions [Member]  
Income Tax Contingency [Line Items]  
Operating loss carry-forwards $ 0.1
State [Member]  
Income Tax Contingency [Line Items]  
Operating loss carry-forwards $ 13.8
Operating loss carry-forwards, expire date Jun. 30, 2034
Other State [Member] | Stock option windfall deductions [Member]  
Income Tax Contingency [Line Items]  
Operating loss carry-forwards $ 0.3
California [Member] | State [Member]  
Income Tax Contingency [Line Items]  
R&D carried forwards 3.8
California [Member] | State [Member] | Stock option windfall deductions [Member]  
Income Tax Contingency [Line Items]  
Operating loss carry-forwards 0.2
Brazil [Member] | International [Member]  
Income Tax Contingency [Line Items]  
Operating loss carry-forwards 0.8
India [Member] | International [Member]  
Income Tax Contingency [Line Items]  
Operating loss carry-forwards $ 2.5
Operating loss carry-forwards, expire date Jun. 30, 2020