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Subsequent Events (Details) - I&S (acquisition) - USD ($)
Jan. 31, 2020
Dec. 31, 2019
Subsequent Event [Line Items]    
Business acquisition, transaction costs   $ 600,000
Subsequent Event    
Subsequent Event [Line Items]    
Payments to acquire businesses, gross $ 172,000,000  
Debt instrument, face amount 100,000,000  
Proceeds from lines of credit $ 67,000,000