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v3.20.4

Fair Value Measurements (Assets and Liabilities Measured on a Recurring Basis) (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Assets |  |  |  |
Investments, Fair Value Disclosure | $ 340.3 | $ 328.6 | $ 247.3 | $ 242.3
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] |  |  |  |
Assets |  |  |  |
Foreign currency forward contracts receivable | 0.0 | 0.0 |  |
Loans Receivable, Fair Value Disclosure | 0.0 | 0.0 |  |
Deferred compensation plan assets | 0.0 | 0.0 |  |
Investments, Fair Value Disclosure | 77.2 | 69.4 |  |
Mortgage Banking Derivative Assets | 0.0 | 0.0 |  |
Total assets at fair value | 77.2 | 69.4 |  |
Liabilities |  |  |  |
Foreign currency forward contracts payable | 0.0 | 0.0 |  |
Deferred compensation plan liabilities | 0.0 | 0.0 |  |
Business Combination, Contingent Consideration, Liability | 0.0 | 0.0 |  |
Mortgage Banking Derivative Liabilities | 0.0 | 0.0 |  |
Total liabilities at fair value | 0.0 | 0.0 |  |
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] |  |  |  |
Assets |  |  |  |
Foreign currency forward contracts receivable | 13.1 | 10.5 |  |
Loans Receivable, Fair Value Disclosure | 1,529.2 | 527.1 |  |
Deferred compensation plan assets | 446.3 | 349.9 |  |
Investments, Fair Value Disclosure | 0.0 | 0.0 |  |
Mortgage Banking Derivative Assets | 0.0 | 0.0 |  |
Total assets at fair value | 1,988.6 | 887.5 |  |
Liabilities |  |  |  |
Foreign currency forward contracts payable | 3.4 | 4.4 |  |
Deferred compensation plan liabilities | 427.6 | 346.1 |  |
Business Combination, Contingent Consideration, Liability | 0.0 | 0.0 |  |
Mortgage Banking Derivative Liabilities | 0.0 | 0.0 |  |
Total liabilities at fair value | 431.0 | 350.5 |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] |  |  |  |
Assets |  |  |  |
Foreign currency forward contracts receivable | 0.0 | 0.0 |  |
Loans Receivable, Fair Value Disclosure | 0.0 | 0.0 |  |
Deferred compensation plan assets | 0.0 | 0.0 |  |
Investments, Fair Value Disclosure | 59.3 | 34.4 | 11.5 |
Mortgage Banking Derivative Assets | 87.1 | 36.1 |  |
Total assets at fair value | 146.4 | 70.5 |  |
Liabilities |  |  |  |
Foreign currency forward contracts payable | 0.0 | 0.0 |  |
Deferred compensation plan liabilities | 0.0 | 0.0 |  |
Business Combination, Contingent Consideration, Liability | 85.7 | 148.5 | $ 192.0 |
Mortgage Banking Derivative Liabilities | 73.4 | 25.9 |  |
Total liabilities at fair value | $ 159.1 | $ 174.4 |  |

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