Document and Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 31, 2014
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-Q
Document Period End Date	Sep. 30, 2014
Document Fiscal Year Focus	2014
Trading Symbol	FSS
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		62,590,931