Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets -Narrative (Details)

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Goodwill and Other Intangible Assets -Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 01, 2015
Mar. 02, 2015
Jun. 30, 2015
Mar. 31, 2015
Goodwill [Line Items]        
Goodwill     $ 115,197 $ 105,232
Sumac Fabrication Company Limited        
Goodwill [Line Items]        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     3 years 7 months 10 days  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Held in Escrow     $ 1,141  
Business Acquisition, Transaction 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      
Unitemp        
Goodwill [Line Items]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Held in Escrow     $ 339  
Business Acquisition, Transaction Costs   $ 34    
Goodwill   1,630    
Fair value of total consideration transferred   $ 3,890    
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