XML 65 R34.htm IDEA: XBRL DOCUMENT v3.4.0.3
Acquisitions (Details)
CAD in Millions, $ in Millions
Feb. 29, 2016
CAD
Feb. 29, 2016
USD ($)
Jan. 05, 2016
CAD
Jan. 05, 2016
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Business Acquisition [Line Items]            
Goodwill | $         $ 236.2 $ 231.6
Westech Vac Systems, Ltd. (“Westech”) [Member]            
Business Acquisition [Line Items]            
Business Acquisition, Percentage of Voting Interests Acquired       100.00%    
Payments to acquire business, net     CAD 8.6 $ 6.2    
Goodwill | $       $ 3.4    
Joe Johnson Equipment [Member]            
Business Acquisition [Line Items]            
Business Combination, Consideration Transferred CAD 108.0 $ 79.0        
Acquisition Deferred Payment | CAD 8.0          
Acquisition contingent earn-out | CAD CAD 10.0