Document And Entity Information - USD ($)	12 Months Ended
	Jan. 31, 2017	Mar. 15, 2017	Jul. 31, 2016
Document and Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jan. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Trading Symbol	tecd
Entity Registrant Name	TECH DATA CORP
Entity Central Index Key	0000790703
Current Fiscal Year End Date	--01-31
Entity Filer Category	Large Accelerated Filer
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 2,700,010,239
Entity Common Stock, Shares Outstanding		38,012,882