Annual report pursuant to Section 13 and 15(d)

Acquisitions - Purchase Price (Details)

v3.8.0.1
Acquisitions - Purchase Price (Details)
$ in Thousands, $ in Thousands
Oct. 30, 2017
USD ($)
Oct. 30, 2017
CAD ($)
Jul. 31, 2015
USD ($)
Apr. 01, 2015
USD ($)
Sumac        
Business Acquisition [Line Items]        
Purchase price     $ 10,956 $ 10,956
Consideration to or on behalf of sellers at close       $ 10,956
Fair value of total consideration transferred     $ 10,956  
Thermon Heating Systems Inc.        
Business Acquisition [Line Items]        
Consideration to or on behalf of sellers at close $ 204,235 $ 261,950    
Fair value of total consideration transferred $ 204,235