Document and Entity Information	3 Months Ended
	Feb. 28, 2019 shares
Document Information [Line Items]
Entity Registrant Name	MCCORMICK & CO INC
Entity Central Index Key	0000063754
Current Fiscal Year End Date	--11-30
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Feb. 28, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Small Business	false
Entity Emerging Growth Company	false
Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding	9,552,296
Nonvoting Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding	122,455,345