Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
May 31, 2019	May 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 141,120	$ 113,190
Other comprehensive income (loss):
Change in foreign currency translation adjustment, net of tax benefit of $465 and $0, respectively	(6,256)	(10,831)
Available-for-sale securities:
Unrealized gain on available-for-sale securities during the period	2,023	38
Reclassification for gain realized on available-for-sale securities, reported in Other expense, net	(239)	(128)
Tax (expense) benefit	(564)	16
Net change in available-for-sale securities (net of tax)	1,220	(74)
Total other comprehensive loss	(5,036)	(10,905)
Comprehensive income	$ 136,084	$ 102,285

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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