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Employee Benefit Plans (Allocation of Pension Plan Assets) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]    
Percentage of pension plan assets 100.00% 100.00%
Target allocation (percent) 100.00%  
Number of CONMED shares in Plan 27,562  
Fair value of CONMED shares in Plan $ 3.1  
Equity Securities [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Percentage of pension plan assets 74.00% 71.00%
Target allocation (percent) 75.00%  
Debt Securities [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Percentage of pension plan assets 26.00% 29.00%
Target allocation (percent) 25.00%