XML 61 R48.htm IDEA: XBRL DOCUMENT
v3.19.1

Goodwill and Other Intangible Assets - Goodwill by Reporting Unit (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Goodwill [Line Items] |  |
Goodwill | $ 1,293.6 | $ 1,297.1
United States |  |
Goodwill [Line Items] |  |
Goodwill | 532.0 | 532.0
Germany |  |
Goodwill [Line Items] |  |
Goodwill | 126.9 | 129.2
Netherlands |  |
Goodwill [Line Items] |  |
Goodwill | 109.6 | 112.0
United Kingdom |  |
Goodwill [Line Items] |  |
Goodwill | 95.7 | 93.7
France |  |
Goodwill [Line Items] |  |
Goodwill | 67.4 | 68.9
Right Management |  |
Goodwill [Line Items] |  |
Goodwill | 62.1 | 62.1
Other reporting units |  |
Goodwill [Line Items] |  |
Goodwill | $ 299.9 | $ 299.2

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | man_ReportingUnitAxis=man_UnitedStatesSubsegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | man_ReportingUnitAxis=man_GermanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | man_ReportingUnitAxis=man_NetherlandsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | man_ReportingUnitAxis=man_UnitedKingdomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | man_ReportingUnitAxis=man_FranceSubsegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | man_ReportingUnitAxis=man_RightManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | man_ReportingUnitAxis=man_OtherReportingUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |