Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

v3.19.2
Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Mar. 31, 2018
Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Accumulated Amortization $ (27,518)     $ (26,128)
Intangible Assets, Net (Including Goodwill) 53,448     53,749
Finite-Lived Intangible Assets, Net 38,073     38,598
Finite-Lived Intangible Assets, Gross 65,591     64,726
Intangible Assets, Gross (Excluding Goodwill) 80,966     79,877
Indefinite-Lived Trademarks 15,375     15,151
Intangible Assets, Net (Excluding Goodwill) 53,448     53,749
Goodwill 40,294     40,294
Amortization of Intangible Assets 1,100 $ 1,100    
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 4,500      
Finite-Lived Intangible Assets, Amortization Expense, after Year Five $ 15,700      
Purchased Technology Customer Relationships And Patents [Member] | Weighted Average [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life 15 years 9 months 18 days   15 years 9 months 12 days  
Patents [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Accumulated Amortization $ (12,401)     (12,046)
Finite-Lived Intangible Assets, Net 14,261     14,616
Finite-Lived Patents, Gross 26,662     26,662
Amortization of Intangible Assets 300 400    
Finite-Lived Intangible Assets, Amortization Expense, after Year Five 7,200      
Finite-Lived Intangible Assets, Amortization Expense, Year Four 1,400      
Customer Relationships [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Accumulated Amortization (14,902)     (13,868)
Finite-Lived Intangible Assets, Net 23,812     23,982
Finite-Lived Customer Relationships, Gross 38,714     37,850
Amortization of Intangible Assets $ 800 $ 700    
Finite-Lived Intangible Asset, Useful Life 12 years 3 months 18 days   12 years 3 months 12 days  
Finite-Lived Intangible Assets, Amortization Expense, after Year Five $ 8,500      
Finite-Lived Intangible Assets, Amortization Expense, Year Four 3,100      
Other Intangible Assets [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Accumulated Amortization (215)     (214)
Finite-Lived Intangible Assets, Net 0     0
Other Finite-Lived Intangible Assets, Gross 215     214
Trademarks [Member]        
Finite-Lived Intangible Assets [Line Items]        
Intangible Assets, Net (Excluding Goodwill) $ 15,375     $ 15,151