XML 21 R6.htm IDEA: XBRL DOCUMENT v3.10.0.1
Consolidated Statements of Comprehensive Income Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Sep. 23, 2018
Sep. 24, 2017
Statement of Comprehensive Income [Abstract]    
Tax (expense) benefit on net unrealized gain (loss) on available-for-sale securities $ 0 $ 0