Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Goodwill and Intangible Assets - Components of Intangible Assets (Parenthetical) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Oct. 31, 2018
Customer Relationships
Goodwill [Line Items]
Increase (decrease) in acquired intangible assets	$ 0.7
Customer Relationships \| Englander
Goodwill [Line Items]
Other intangible assets		$ 13.2
Trademarks and Trade Names \| Englander
Goodwill [Line Items]
Other intangible assets		0.8
Other Intangible Assets \| Englander
Goodwill [Line Items]
Other intangible assets		$ 0.1