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Goodwill and Other Intangible Assets - Changes in Goodwill by Reportable Segment (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2017 USD ($)
Goodwill [Roll Forward] |
Balance, January 1, 2017 | $ 1,239.9
Goodwill acquired | 9.5
Currency and other impacts | 42.5
Balance, June 30, 2017 | 1,291.9
Right Management |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 62.1
Balance, June 30, 2017 | 62.1
Reportable segments | Americas |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 516.4
Goodwill acquired | 0.0
Currency and other impacts | 1.5
Balance, June 30, 2017 | 517.9
Reportable segments | Americas | United States | Reportable subsegments |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 476.5
Balance, June 30, 2017 | 476.5
Reportable segments | Southern Europe |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 97.0
Goodwill acquired | 9.4
Currency and other impacts | 9.6
Balance, June 30, 2017 | 116.0
Reportable segments | Southern Europe | France | Reportable subsegments |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 66.8
Balance, June 30, 2017 | 72.6
Reportable segments | Southern Europe | Italy | Reportable subsegments |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 4.4
Balance, June 30, 2017 | 4.7
Reportable segments | Northern Europe |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 421.9
Goodwill acquired | 0.1
Currency and other impacts | 27.7
Balance, June 30, 2017 | 449.7
Reportable segments | APME |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 77.0
Goodwill acquired | 0.0
Currency and other impacts | 3.7
Balance, June 30, 2017 | 80.7
Reportable segments | Right Management |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 62.1
Goodwill acquired | 0.0
Currency and other impacts | 0.0
Balance, June 30, 2017 | 62.1
Corporate |
Goodwill [Roll Forward] |
Balance, January 1, 2017 | 65.5
Goodwill acquired | 0.0
Currency and other impacts | 0.0
Balance, June 30, 2017 | 65.5
Corporate | Jefferson Wells |
Goodwill [Roll Forward] |
Balance, June 30, 2017 | $ 55.5

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