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Document and Entity Information (USD $)
 12 Months Ended
Dec. 31, 2013
Feb. 28, 2014
Jun. 30, 2013
Document Document And Entity Information [Abstract]      
Entity Registrant Name FEDERAL SIGNAL CORP /DE/    
Entity Central Index Key 0000277509    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2013    
Trading Symbol FSS    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   62,783,382  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 540,780,048