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Stock-Based Awards (Tables)
9 Months Ended
Nov. 29, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Assumptions Related to Estimated Fair Value of Options Grant Date
The Company used the Black-Scholes option pricing model to estimate the fair value of the options at grant date based upon the following assumptions:
 
Year-To-Date Ended
 
November 29,
2014
 
November 30,
2013
Dividend yield
—%
 
—%
Volatility rate
50.8—53.2%
 
49.3—51.3%
Risk-free interest rate
1.2—1.6%
 
0.6—1.0%
Expected life
4.0—5.0 years
 
4.0—6.0 years