Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets -Narrative (Details)

v3.3.1.900
Goodwill and Other Intangible Assets -Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2015
Apr. 01, 2015
Mar. 02, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Mar. 31, 2015
Goodwill [Line Items]              
Goodwill       $ 120,460   $ 120,460 $ 105,232
Restructuring Charges           578  
Intangible Assets, Net (Excluding Goodwill)       105,043   $ 105,043 100,813
Industrial Process Insulators, Inc.              
Goodwill [Line Items]              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life           9 years  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Held in Escrow       4,000   $ 4,000  
Transactions Costs       33   33  
Business Acquisition, Percentage of Voting Interests Acquired 100.00%            
Goodwill $ 10,204            
Fair value of total consideration transferred $ 21,750            
Intangible Assets, Net (Excluding Goodwill)       $ 12,766   12,766  
Sumac Fabrication Company Limited              
Goodwill [Line Items]              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life       4 years 6 months      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Held in Escrow       $ 1,030   1,030  
Transactions Costs           134  
Business Acquisition, Percentage of Voting Interests Acquired   75.00%          
Payments to Acquire Businesses, Gross   $ 10,956          
Debt Instrument, Face Amount   5,905          
Goodwill   9,255          
Fair value of total consideration transferred   10,956          
Intangible Assets, Net (Excluding Goodwill)       1,733   1,733  
Unitemp              
Goodwill [Line Items]              
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Held in Escrow       278   278  
Transactions Costs           34  
Goodwill     $ 1,630        
Fair value of total consideration transferred     $ 3,890        
Intangible Assets, Net (Excluding Goodwill)       849   849 1,238
CHS Transactions [Member]              
Goodwill [Line Items]              
Intangible Assets, Net (Excluding Goodwill)       89,695   89,695 $ 99,575
Minimum | Canadian Dollar | Sumac Fabrication Company Limited              
Goodwill [Line Items]              
Debt Instrument, Maturity Payment Amount   0          
Maximum | Canadian Dollar | Sumac Fabrication Company Limited              
Goodwill [Line Items]              
Debt Instrument, Maturity Payment Amount   $ 7,500          
CANADA              
Goodwill [Line Items]              
Reduction in workforce (percent)         34.00%    
CANADA | CHS Transactions [Member]              
Goodwill [Line Items]              
Goodwill       34,432   34,432  
Intangible Assets, Net (Excluding Goodwill)       $ 25,005   $ 25,005