Leases - Lease Cash Flow and Supplemental Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
Cash paid for amounts included in the measurement of lease liabilities: | ||||
Operating cash flows from operating leases | $ 2.9 | $ 3.2 | $ 9.2 | $ 9.6 |
Right-of-use assets obtained in exchange for new operating lease liabilities | $ 0.0 | $ 0.3 | $ 0.8 | $ 4.6 |