Business And Summary Of Significant Accounting Policies (Details) (USD $) In Thousands	3 Months Ended				6 Months Ended
	Jul. 31, 2011		Jul. 31, 2010		Jul. 31, 2011		Jul. 31, 2010
Business And Summary Of Significant Accounting Policies
Consolidated net income	$ 51,756		$ 40,832		$ 100,476		$ 86,476
Change in consolidated cumulative translation adjustments ("CTA")	(44,522)	[1]	(16,424)	[1]	88,326	[1]	(76,489)	[1]
Total comprehensive income	7,234		24,408		188,802		9,987
Less-comprehensive income (loss) attributable to noncontrolling interest	876		(123)		2,849		(361)
Comprehensive income attributable to shareholders of Tech Data Corporation	6,358		24,531		185,953		10,348
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 six months ended July 31 2011 or 2010.