Commitments and Contingencies (Details) $ in Millions	Dec. 31, 2019 USD ($)
Commitments and Contingencies
Purchase commitments of certain goods and services in 2020	$ 398.4
Purchase commitments of certain goods and services in 2021 and 2022	25.6
Purchase commitments of certain goods and serviced, thereafter	$ 7.1

Minimum amount of purchase arrangement maturing in the second and third fiscal years following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

No definition available.

Name:	us-gaap_PurchaseObligationDueInSecondAndThirdYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant