Earnings Per Share ("EPS") (Earnings Per Share Basic And Diluted) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2010	Apr. 30, 2010	Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2010
Earnings Per Share ("EPS") [Abstract]
Net income per common share-attributable to shareholders of Tech Data - basic									$ 206,396	$ 214,243	$ 180,155
Net income per common share attributable to shareholders of Tech Data - diluted									$ 206,396	$ 214,243	$ 180,155
Weighted average shares, basic									43,749	48,587	50,517
Equity-based awards, Weighted average shares									578	498	421
Weighted average shares, diluted									44,327	49,085	50,938
Net income attributable to Tech Data-basic, Per share amount	$ 1.31	$ 1.27	$ 1.11	$ 1.04	$ 1.66	$ 1.08	$ 0.82	$ 0.89	$ 4.72	$ 4.41	$ 3.57
Net income attributable to Tech Data-diluted, Per share amount	$ 1.29	$ 1.26	$ 1.10	$ 1.03	$ 1.63	$ 1.07	$ 0.82	$ 0.88	$ 4.66	$ 4.36	$ 3.54