Leases - Additional Information (Details) $ in Millions	Mar. 31, 2019 USD ($)
Leases [Abstract]
Right-of-use asset	$ 67.6
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsMember
Operating lease liability	$ 79.7
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesMember