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Leases - Other Information Related to Leases (Details)
$ in Millions
9 Months Ended
Sep. 30, 2019
USD ($)
Leases [Abstract]  
Cash paid for amounts included in measurement of operating lease liabilities - operating cash flows $ 18.4
Right-of-use assets obtained in exchange for new operating lease liabilities $ 14.1
Weighted-average remaining lease term - operating leases 10 years 1 month 6 days
Weighted-average discount rate - operating leases 4.00%