XML 53 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions - Narrative (Details) - Altek
£ in Millions, $ in Millions
1 Months Ended 3 Months Ended
May 31, 2018
GBP (£)
May 31, 2018
USD ($)
Sep. 30, 2018
USD ($)
May 31, 2018
USD ($)
Business Acquisition [Line Items]        
Purchase price £ 45 $ 60.1    
Additional contingent consideration £ 25     $ 33.0
Estimated preliminary fair value       16.3
Goodwill to be deductible for tax purposes (less than)       $ 1.0
Selling, General and Administrative Expenses        
Business Acquisition [Line Items]        
Costs associated with acquisition     $ 1.0