Quarterly report pursuant to Section 13 or 15(d)

Business Combination - Additional Information (Details)

v3.8.0.1
Business Combination - Additional Information (Details) - USD ($)
Jun. 09, 2017
Mar. 31, 2018
Jun. 30, 2017
Business Acquisition [Line Items]      
Goodwill   $ 349,998,000 $ 349,526,000
Privately-Held Design and Manufacturing Company      
Business Acquisition [Line Items]      
Total purchase consideration $ 37,100,000    
Goodwill $ 14,800,000 14,764,000  
Goodwill recognized, deductible for income tax purposes   $ 0