Document And Entity Information - $ / shares	3 Months Ended
	Apr. 30, 2020	May 28, 2020	Jan. 31, 2020
Document and Entity Information [Abstract]
Title of 12(b) Security	Common stock, par value $.0015 per share
Common Stock, Par or Stated Value Per Share	$ 0.0015		$ 0.0015
Document Type	10-Q
Document Quarterly Report	true
Amendment Flag	false
Document Period End Date	Apr. 30, 2020
Document Transition Report	false
Entity File Number	0-14625
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Trading Symbol	TECD
Entity Registrant Name	TECH DATA CORPORATION
Entity Central Index Key	0000790703
Current Fiscal Year End Date	--01-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Entity Common Stock, Shares Outstanding		35,658,571
Entity Incorporation, State or Country Code	FL
Entity Address, Address Line One	5350 Tech Data Drive
Entity Address, City or Town	Clearwater
Entity Address, State or Province	FL
Entity Tax Identification Number	59-1578329
Entity Address, Postal Zip Code	33760
City Area Code	727
Local Phone Number	539-7429
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Entity Shell Company	false