Subsequent Events (Details) - Subsequent Event [Member] shares in Millions, $ in Millions	Jan. 23, 2019 USD ($) shares
Subsequent Event [Line Items]
Derivative, Notional Amount	$ 500.0
Stock Repurchase Program, Number of Shares Authorized to be Repurchased \| shares	2.9
Stock Repurchase Program, Authorized Amount	$ 100.0

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration