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Restructuring Costs - Schedule of Changes in Restructuring Reserve (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2020 USD ($)
Restructuring Cost and Reserve [Line Items] |
Balance, beginning of period | $ 7.3
Severance costs | 37.0
Office closure and other costs | 11.2
Costs paid, utilized or transferred out | (32.1)
Balance, end of period | 23.4
Reportable segments | Americas |
Restructuring Cost and Reserve [Line Items] |
Balance, beginning of period | 0.4
Severance costs | 4.7
Office closure and other costs | 8.1
Costs paid, utilized or transferred out | (10.5)
Balance, end of period | 2.7
Reportable segments | Southern Europe |
Restructuring Cost and Reserve [Line Items] |
Balance, beginning of period | 0.7
Severance costs | 11.8
Office closure and other costs | 1.3
Costs paid, utilized or transferred out | (12.0)
Balance, end of period | 1.8
Reportable segments | Northern Europe |
Restructuring Cost and Reserve [Line Items] |
Balance, beginning of period | 6.2
Severance costs | 19.3
Office closure and other costs | 0.2
Costs paid, utilized or transferred out | (7.0)
Balance, end of period | 18.7
Reportable segments | APME |
Restructuring Cost and Reserve [Line Items] |
Balance, beginning of period | 0.0
Severance costs | 1.0
Office closure and other costs | 1.6
Costs paid, utilized or transferred out | (2.6)
Balance, end of period | 0.0
Corporate |
Restructuring Cost and Reserve [Line Items] |
Balance, beginning of period | 0.0
Severance costs | 0.2
Office closure and other costs | 0.0
Costs paid, utilized or transferred out | 0.0
Balance, end of period | $ 0.2

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