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Leases (Impact of Leases to Consolidated Condensed Financial Statements) (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Leases [Abstract]  
Weighted-average remaining lease term 8 years
Weighted-average discount rate 3.60%
Operating cash flows from operating leases $ 153.6
Right-of-use assets obtained in exchange for new operating lease liabilities $ 81.2