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Acquisitions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jan. 10, 2018
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Business Acquisition [Line Items]          
inventory step-up and backlog amortization     $ 1.9   $ 8.5
Acquisition-related and integration charges   $ 2.4 $ 4.1 $ 3.5 $ 9.2
Crane Currency [Member]          
Business Acquisition [Line Items]          
Payments to Acquire Businesses, Gross $ 800.0        
Crane Currency [Member] | Technology-Based Intangible Assets | Minimum          
Business Acquisition [Line Items]          
Finite-lived intangible assets, remaining amortization period       7 years  
Crane Currency [Member] | Technology-Based Intangible Assets | Maximum          
Business Acquisition [Line Items]          
Finite-lived intangible assets, remaining amortization period       11 years  
Crane Currency [Member] | Customer Relationships | Minimum          
Business Acquisition [Line Items]          
Finite-lived intangible assets, remaining amortization period       18 years  
Crane Currency [Member] | Customer Relationships | Maximum          
Business Acquisition [Line Items]          
Finite-lived intangible assets, remaining amortization period       24 years