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Acquisition (Details) - Timco Services, Inc.
$ in Millions
Mar. 11, 2015
USD ($)
payment
Jun. 30, 2015
USD ($)
Business Acquisition [Line Items]    
Cash payment to acquire business $ 81.0  
Tax reimbursement payment 8.0  
Contingent consideration, maximum $ 20.0  
Number of contingent payments | payment 2  
Amount of contingent payments $ 10.0  
Contingent consideration, liability   $ 1.5
Goodwill   $ 4.9