Fair Value Measurements (Fair Value Measurement Inputs and Valuation Techniques) (Details) - Option-Based Model	Sep. 30, 2020
Risk free rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.019
Risk free rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.029
Risk free rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.019
Debt spread | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.000
Debt spread | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.335
Debt spread | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.126
Probabilities | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.050
Probabilities | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	1.000
Probabilities | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.778
Present value factor | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.036
Present value factor | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.048
Present value factor | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.038
Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.286
Discount rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent Consideration	0.286