OTHER LIABILITIES, NONCURRENT (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2013	Feb. 29, 2012
OTHER LIABILITIES, NONCURRENT
Deferred compensation liability	$ 6,443	$ 4,478
Liability for uncertain tax positions	15,759	13,213
Derivative liabilities	1,780	5,022
Other liabilities	1,760	1,816
Total other liabilities, noncurrent	$ 25,742	$ 24,529