Leases - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 9.1
Operating cash flows for finance leases	0.1
Financing cash flows for finance leases	0.4	$ 0.0
ROU assets obtained in exchange for lease obligations:
Operating leases	11.6
Finance leases	$ 0.5

Cash Flow, Lessee [Abstract]

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- Definition

Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract]

+ References

No definition available.

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- Definition

Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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