Redeemable Noncontrolling Interest (Details)	Feb. 27, 2019
FTT
Noncontrolling Interest [Line Items]
Increase in minority interest purchase price over next 12 months	14

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