New Accounting Pronouncements (Details) $ in Millions	Jul. 29, 2017 USD ($)
Accounting Standards Update 2016-16
Item Effected [Line Items]
Intra-entity assets transfered	$ 6.0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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