Rendering

Component: (Network and Table)
Network
41205 - Disclosure - Retirement Benefits (Schedule of Rollforward of Level 3 Assets) (Details)
(http://www.ferro.com/role/DisclosureRetirementBenefitsScheduleOfRollforwardOfLevel3AssetsDetails)
TableFair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000035214 (http://www.sec.gov/CIK)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Defined Benefit Plan, Asset Categories [Axis]Defined Benefit Plan, Asset Categories [Axis]
Guaranteed Deposits [Member]Real Estate [Member]Commingled Funds [Member]Plan Asset Categories [Domain]Guaranteed Deposits [Member]Real Estate [Member]Commingled Funds [Member]Other Assets [Member]Plan Asset Categories [Domain]
Beginning Balance
54,006,000  
20,133,000  
366,000  
74,505,000  
28,929,000  
17,648,000  
489,000  
2,000  
47,068,000  
Purchases
    
31,157,000  
   
31,157,000  
Sales
(33,084,000) 
  
(33,084,000) 
(282,000) 
   
(282,000) 
Gains (losses) included in earnings
10,867,000  
2,124,000  
5,000  
12,996,000  
(2,342,000) 
2,485,000  
(123,000) 
(2,000) 
18,000  
Exchange rate effect
(5,457,000) 
  
(5,457,000) 
(3,456,000) 
   
(3,456,000) 
Ending Balance
26,332,000  
 
22,257,000  
 
371,000  
 
48,960,000  
 
54,006,000  
 
20,133,000  
 
366,000  
 
 
 
74,505,000