Document and Entity Information - USD ($)	12 Months Ended
	Apr. 30, 2015	Jun. 16, 2015	Oct. 31, 2014
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Apr. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Trading Symbol	SWHC
Entity Registrant Name	Smith & Wesson Holding Corporation
Entity Central Index Key	0001092796
Current Fiscal Year End Date	--04-30
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		54,169,521
Entity Public Float			$ 423,395,323