General form of registration statement for all companies including face-amount certificate companies

Employee Benefit Plans and Defined Benefit Pension Plans - Net periodic benefit costs are reflected in the Company's Combined Financial Statements (Details)

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Employee Benefit Plans and Defined Benefit Pension Plans - Net periodic benefit costs are reflected in the Company's Combined Financial Statements (Details) - Mafco Worldwide & Merisant - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Components of net periodic pension expense for the Business' funded defined benefit pension plan        
Total net periodic benefit cost $ 0.4 $ 1.7 $ 1.4 $ 1.6
Cost of Goods Sold        
Components of net periodic pension expense for the Business' funded defined benefit pension plan        
Total net periodic benefit cost 0.2 0.4 0.5 0.6
Selling, general and administrative expense        
Components of net periodic pension expense for the Business' funded defined benefit pension plan        
Total net periodic benefit cost $ 0.2 $ 1.3 $ 0.9 $ 1.0