Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Intangible Assets related to Acquisition (Details)

v3.3.0.814
Goodwill and Other Intangible Assets - Intangible Assets related to Acquisition (Details) - USD ($)
$ in Thousands
 6 Months Ended
Sep. 30, 2015
Mar. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Intangible Assets, Net (Excluding Goodwill) $ 109,905 $ 100,813
Industrial Process Insulators, Inc.    
Finite-Lived Intangible Assets [Line Items]    
Intangible Assets, Gross (Excluding Goodwill) 13,784  
Finite-Lived Intangible Assets, Accumulated Amortization 407  
Intangible Assets, Net (Excluding Goodwill) 13,377  
Unitemp    
Finite-Lived Intangible Assets [Line Items]    
Intangible Assets, Gross (Excluding Goodwill) 1,083 1,255
Finite-Lived Intangible Assets, Accumulated Amortization 104 17
Intangible Assets, Net (Excluding Goodwill) 979 1,238
Unitemp | Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Intangible Assets, Gross (Excluding Goodwill) 673 780
Finite-Lived Intangible Assets, Accumulated Amortization 49 8
Intangible Assets, Net (Excluding Goodwill) 624 772
Sumac Fabrication Company Limited    
Finite-Lived Intangible Assets [Line Items]    
Intangible Assets, Gross (Excluding Goodwill) 2,510  
Finite-Lived Intangible Assets, Accumulated Amortization 534  
Intangible Assets, Net (Excluding Goodwill) $ 1,976  
Order or Production Backlog | Industrial Process Insulators, Inc.    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 6 months  
Intangible Assets, Gross (Excluding Goodwill) $ 437  
Finite-Lived Intangible Assets, Accumulated Amortization 146  
Intangible Assets, Net (Excluding Goodwill) $ 291  
Order or Production Backlog | Sumac Fabrication Company Limited    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 6 months  
Intangible Assets, Gross (Excluding Goodwill) $ 176  
Finite-Lived Intangible Assets, Accumulated Amortization 176  
Intangible Assets, Net (Excluding Goodwill) $ 0  
Customer Relationships | Industrial Process Insulators, Inc.    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 10 years  
Intangible Assets, Gross (Excluding Goodwill) $ 10,720  
Finite-Lived Intangible Assets, Accumulated Amortization 179  
Intangible Assets, Net (Excluding Goodwill) 10,541  
Customer Relationships | Unitemp    
Finite-Lived Intangible Assets [Line Items]    
Intangible Assets, Gross (Excluding Goodwill) 318 368
Finite-Lived Intangible Assets, Accumulated Amortization 21 6
Intangible Assets, Net (Excluding Goodwill) $ 297 362
Customer Relationships | Sumac Fabrication Company Limited    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 3 years  
Intangible Assets, Gross (Excluding Goodwill) $ 1,768  
Finite-Lived Intangible Assets, Accumulated Amortization 295  
Intangible Assets, Net (Excluding Goodwill) $ 1,473  
Trademarks | Industrial Process Insulators, Inc.    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 8 years  
Intangible Assets, Gross (Excluding Goodwill) $ 1,820  
Finite-Lived Intangible Assets, Accumulated Amortization 38  
Intangible Assets, Net (Excluding Goodwill) 1,782  
Developed Technology Rights | Unitemp    
Finite-Lived Intangible Assets [Line Items]    
Intangible Assets, Gross (Excluding Goodwill) 92 107
Finite-Lived Intangible Assets, Accumulated Amortization 34 3
Intangible Assets, Net (Excluding Goodwill) $ 58 $ 104
Other Intangible Assets | Industrial Process Insulators, Inc.    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 3 years  
Intangible Assets, Gross (Excluding Goodwill) $ 807  
Finite-Lived Intangible Assets, Accumulated Amortization 44  
Intangible Assets, Net (Excluding Goodwill) $ 763  
Other Intangible Assets | Sumac Fabrication Company Limited    
Finite-Lived Intangible Assets [Line Items]    
Amortization period 10 years 3 months 18 days  
Intangible Assets, Gross (Excluding Goodwill) $ 566  
Finite-Lived Intangible Assets, Accumulated Amortization 63  
Intangible Assets, Net (Excluding Goodwill) $ 503