Subsequent Event (Details) $ in Millions	Apr. 30, 2018 USD ($)
Disposition of Nutritional Chemistry [Member]
Subsequent Event [Line Items]
Schedule of Subsequent Events [Table Text Block]	$ 670.0

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