Divestitures	6 Months Ended
Jun. 30, 2020
Discontinued Operations And Disposal Groups [Abstract]
Divestitures	Note 12. Divestitures Divested operations and assets that do not qualify for treatment as discontinued operations are recorded as “Gain on sale of operations, net” in the accompanying Consolidated Statements of Comprehensive Income. We recorded a gain of $0.2 million in the first half of 2020 related to a small book of business in the Benefits and Insurance practice group. We recorded a gain of $0.6 million in the first half of 2019 related to a small accounting firm in the Financial Services practice group.

The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2122178

Name:	us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration