Document and Entity Information	3 Months Ended
	Oct. 31, 2012
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 31, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Registrant Name	Guidewire Software, Inc.
Entity Central Index Key	0001528396
Entity Filer Category	Non-accelerated Filer
Current Fiscal Year End Date	--07-31
Entity Common Stock, Shares Outstanding	55,405,248