Contingencies and Commitments - Other (Details) $ in Millions	Jun. 30, 2018 USD ($)
Purchase agreements
Aggregate purchase commitments, due in 2019	$ 170.7
Aggregate purchase commitments, due in 2020	1.5
Raw materials
Purchase agreements
Aggregate purchase commitments	$ 172.2

Minimum amount of purchase arrangement maturing in the next fiscal year 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_PurchaseObligationDueInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant