XML 80 R62.htm IDEA: XBRL DOCUMENT v3.6.0.2
Acquisitions (Details) - USD ($)
$ in Thousands
Aug. 01, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Business Acquisition [Line Items]        
Goodwill acquired   $ 386,772 $ 389,135 $ 393,029
Bullwell Trailer Solutions, Ltd.        
Business Acquisition [Line Items]        
Purchase price $ 15,000      
Contingent consideration 6,000      
Goodwill acquired 12,000      
Bullwell Trailer Solutions, Ltd. | Customer Relationships        
Business Acquisition [Line Items]        
Customer relationships and other intangibles $ 2,000