Quarterly report pursuant to Section 13 or 15(d)

Acquisitions Acquisitions (Details)

v3.6.0.2
Acquisitions Acquisitions (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2016
USD ($)
Feb. 18, 2016
USD ($)
Nov. 30, 2016
USD ($)
Nov. 30, 2015
USD ($)
Aug. 31, 2016
acquisition
Mar. 30, 2016
USD ($)
Feb. 17, 2016
USD ($)
Business Acquisition [Line Items]              
Number of Businesses Acquired | acquisition         2    
Payments to Acquire Businesses, Net of Cash Acquired     $ 0 $ 530      
Goodwill, Purchase Accounting Adjustments     2,286        
Business Combination, Acquisition Related Costs     211 700      
Net sales     265,793 $ 305,011      
Larzep              
Business Acquisition [Line Items]              
Business Acquisition, Effective Date of Acquisition   Feb. 17, 2016          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill             $ 4,777
Business acquisitions   $ 9,726          
Payments to Acquire Businesses, Net of Cash Acquired   $ 15,900          
Net sales     1,600        
Pipeline and Process Services [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Effective Date of Acquisition Mar. 30, 2016            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           $ 8,740  
Business acquisitions $ 38,500            
Payments to Acquire Businesses, Net of Cash Acquired 65,500            
Goodwill, Purchase Accounting Adjustments $ 2,300            
Net sales     7,700        
Fiscal 2016 acquisitions [Member]              
Business Acquisition [Line Items]              
Net sales     $ 9,300        
Tradenames | Larzep              
Business Acquisition [Line Items]              
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill             1,200
Customer relationships | Larzep              
Business Acquisition [Line Items]              
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill             $ 3,600
Customer relationships | Pipeline and Process Services [Member]              
Business Acquisition [Line Items]              
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           8,000  
Noncompete Agreements [Member] | Pipeline and Process Services [Member]              
Business Acquisition [Line Items]              
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           $ 740