v3.7.0.1
Document and Entity Information
9 Months Ended
Aug. 31, 2017
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 Aug. 31, 2017
Document Fiscal Year Focus 2017
Document Fiscal Period Focus Q3
Amendment Flag false
Common Stock  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 11,171,764
Nonvoting Common Stock  
Document Information [Line Items]  
Entity Common Stock, Shares Outstanding 119,826,605