Business And Summary Of Significant Accounting Policies (Comprehensive (Loss) Income Attributable To The Shareholders) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Oct. 31, 2011		Oct. 31, 2010		Oct. 31, 2011		Oct. 31, 2010
Business And Summary Of Significant Accounting Policies [Abstract]
Consolidated net income	$ 57,163		$ 51,163		$ 157,639		$ 137,639
Change in consolidated cumulative translation adjustments ("CTA")	(75,171)	[1]	90,980	[1]	13,211	[1]	14,840	[1]
Total comprehensive (loss) income	(18,008)		142,143		170,850		152,479
Less-comprehensive income attributable to noncontrolling interest	2,859		1,359		5,764		998
Comprehensive (loss) income attributable to shareholders of Tech Data	(20,867)		140,784		165,086		151,481
Income tax effects related to change in cumulative translation adjustments	$ 0		$ 0		$ 0		$ 0

[1] There were no income tax effects related to the change in cumulative translation adjustments during either the three or nine months ended October 31, 2011 or 2010.