XML 25 R47.htm IDEA: XBRL DOCUMENT v3.2.0.727
Weighted Average Assumptions (Details)
Jun. 28, 2015
Jun. 29, 2014
Weighted average assumptions    
Expected life (in years) 5.9 6.0
Expected volatility 39.10% 42.80%
Risk-free interest rate 1.90% 1.50%
Expected forfeiture rate 47.10% 58.20%