Earnings Per Share ("EPS") (Earnings Per Share Basic And Diluted) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2011	Oct. 31, 2010
Earnings Per Share ("EPS") [Abstract]
Net income attributable to Tech Data-basic	$ 53,519	$ 50,458	$ 152,327	$ 136,946
Net income attributable to Tech Data-diluted	$ 53,519	$ 50,458	$ 152,327	$ 136,946
Weighted average shares, basic	42,104	46,672	44,602	49,234
Equity-based awards, Weighted average shares	450	397	555	450
Weighted average shares, diluted	42,554	47,069	45,157	49,684
Net income attributable to Tech Data-basic, Per share amount	$ 1.27	$ 1.08	$ 3.42	$ 2.78
Net income attributable to Tech Data-diluted, Per share amount	$ 1.26	$ 1.07	$ 3.37	$ 2.76