Document and Entity Information (USD $)	12 Months Ended
	Nov. 30, 2013	Feb. 05, 2014	May 31, 2013
Document and Entity Information
Entity Registrant Name	GRIFFIN LAND & NURSERIES INC
Entity Central Index Key	0001037390
Document Type	10-K
Document Period End Date	Nov. 30, 2013
Amendment Flag	false
Current Fiscal Year End Date	--11-30
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 79,989,000
Entity Common Stock, Shares Outstanding		5,146,366
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY