Commitments and Contingencies (Details) $ in Millions	Jun. 30, 2018 USD ($)
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Standby letters of credit outstanding	$ 0.0
Inventories
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Non-cancelable market-based purchase obligation	$ 37.9

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