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Business Acquisitions (Additional Information) (Details 1) - True-Tech [Member] - USD ($)
$ in Millions
Sep. 02, 2017
Sep. 01, 2017
Business Acquisition [Line Items]    
Amount of cash paid for business acquisitions $ 95.9  
Assets acquired   $ 114.4
Intangible assets acquired   25.9
Liabilities assumed   $ 18.5
Goodwill assumed $ 22.3  
Date of acquisition Sep. 01, 2017