Identifiable Intangible Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 31, 2014 Trademarks, Copyrights and Patents Minimum	May 31, 2014 Trademarks, Copyrights and Patents Maximum	May 31, 2014 Purchased Technologies Minimum	May 31, 2014 Purchased Technologies Maximum	May 31, 2014 Customer and Reseller Relationships Minimum	May 31, 2014 Customer and Reseller Relationships Maximum	May 31, 2014 Covenants Not To Compete Minimum	May 31, 2014 Covenants Not To Compete Maximum	May 31, 2014 Trademarks	Feb. 28, 2014 Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	3 years	10 years	3 years	10 years	3 years	10 years	3 years	10 years
Carrying amount for intangible assets									$ 10.2	$ 9.6