Document and Entity Information - shares	6 Months Ended
	Jan. 31, 2022	Feb. 15, 2022
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jan. 31, 2022
Document Transition Report	false
Entity File Number	1-14959
Entity Registrant Name	BRADY CORP
Entity Incorporation, State or Country Code	WI
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000746598
Current Fiscal Year End Date	--07-31
Entity Tax Identification Number	39-0178960
Entity Address, Address Line One	6555 West Good Hope Road
Entity Address, City or Town	Milwaukee
Entity Address, State or Province	WI
Entity Address, Postal Zip Code	53233
City Area Code	414
Local Phone Number	358-6600
Title of 12(b) Security	Class A Nonvoting Common Stock, par value $0.01 per share
Trading Symbol	BRC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Class A Nonvoting Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		48,065,965
Class B Voting Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		3,538,628