Employee Benefit Plans (Details)	12 Months Ended
Feb. 28, 2014
Employee Benefit Plans (Textual)
Minimum period of employee service	3 months
Maximum [Member]
Employee Benefit Plans (Textual)
Defined contribution plan, company	25.00%
Minimum [Member]
Employee Benefit Plans (Textual)
Defined contribution plan, company	4.00%

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration