XML 28 R79.htm IDEA: XBRL DOCUMENT v3.2.0.727
Stock-Based Compensation - Schedule of Fair Value of Employee Stock Options (Details) - Employee Stock Option - $ / shares
$ / shares in Thousands
12 Months Ended
May. 30, 2015
May. 31, 2014
Jun. 01, 2013
Share-based Compensation Arrangement by Share-based Payment Award      
Risk-free interest rate [1] 1.46% 1.62% 0.77%
Expected term of options [2] 4 years 5 years 6 months 5 years 6 months
Expected volatility [3] 36.00% 46.00% 47.00%
Dividend yield [4] 1.85% 1.74% 1.98%
Granted with exercise prices equal to the fair market value of the stock on the date of grant $ 7,740 $ 10,680 $ 6,520
[1] Represents the U.S. Treasury yield over the same period as the expected option term.
[2] Represents the period of time that options granted are expected to be outstanding. Based on analysis of historical option exercise activity, the company has determined that all employee groups exhibit similar exercise and post-vesting termination behavior.
[3] Amount is determined based on analysis of historical price volatility of the company's common stock over a period equal to the expected term of the options.
[4] Represents the company's estimated cash dividend yield over the expected term of options.