XML 38 R53.htm IDEA: XBRL DOCUMENT v3.2.0.727
Stock-based Compensation - Valuation Assumptions (Details) - Mar. 01, 2015
Total
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Risk-free interest rates 2.03%
Expected lives (in years) 2 years 8 months 9 days
Expected dividend yield 0.00%
Expected volatility 60.27%