This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

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.

+ References

No definition available.

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Subsequent Events - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
	Oct. 04, 2018	Sep. 30, 2018	Sep. 30, 2018
Subsequent Event [Line Items]
Business acquisition, transaction costs		$ 1.7	$ 6.6
Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition, aggregate consideration paid	$ 358.4
PHH [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition, aggregate consideration paid	325.0
Ocwen [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition, aggregate consideration paid	$ 33.4