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v3.20.2

Restructuring and Acquisition Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Restructuring and Related Activities [Abstract] |  |  |  |
Restructuring and acquisition charges | $ (28.2) | $ (25.7) | $ (42.3) | $ (44.3)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | 0.6 | 14.3 | (7.6) | 20.0
Share-based Payment Arrangement, Noncash Expense | 13.0 | 0.0 | 24.2 | 0.0
Restructuring reserve [Roll Forward] |  |  |  |
Restructuring reserve, beginning balance |  |  | 36.5 | 15.1
Restructuring charges |  |  | 25.7 | 24.3
Payments made |  |  | (43.5) | (24.8)
Restructuring reserve, ending balance | 18.7 | 14.6 | $ 18.7 | 14.6
Document Period End Date |  |  | Jun. 30, 2020 |
Severance [Member] |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Restructuring reserve, beginning balance |  |  | $ 24.3 | 14.0
Restructuring charges | 7.0 | 5.4 | 8.3 | 10.4
Payments made |  |  | (16.0) | (14.8)
Restructuring reserve, ending balance | 16.6 | 9.6 | 16.6 | 9.6
Contract Termination [Member] |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Restructuring reserve, beginning balance |  |  | 8.4 | 0.6
Restructuring charges |  |  | 6.7 | 1.0
Payments made |  |  | (13.5) | (1.1)
Restructuring reserve, ending balance | 1.6 | 0.5 | 1.6 | 0.5
Lease Exit [Member] |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Restructuring charges | 7.6 | 6.0 | 17.4 | 13.9
Other Restructuring [Member] |  |  |  |
Restructuring reserve [Roll Forward] |  |  |  |
Restructuring reserve, beginning balance |  |  | 3.8 | 0.5
Restructuring charges |  |  | 10.7 | 12.9
Payments made |  |  | (14.0) | (8.9)
Restructuring reserve, ending balance | 0.5 | 4.5 | 0.5 | 4.5
HFF Acquisition [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Business Combination, Integration Related Costs | $ 20.1 | $ 3.2 | 41.4 | $ 9.7
Restructuring reserve [Roll Forward] |  |  |  |
Expense to be recognized for retention awards |  |  | $ 100.0 |

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