XML 56 R44.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investments (Contractual Maturities of Short-term Investments by Type) (Details) - USD ($)
$ in Thousands
Mar. 25, 2018
Jun. 25, 2017
Schedule of Available-for-sale Securities [Line Items]    
Within One Year $ 119,099  
After One, Within Five Years 173,710  
After Five, Within Ten Years 7,430  
After Ten Years 0  
Total short-term investments 300,239 $ 478,341
Commercial Paper [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Within One Year 2,096  
After One, Within Five Years 0  
After Five, Within Ten Years 0  
After Ten Years 0  
Total short-term investments 2,096  
Municipal Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Within One Year 0  
After One, Within Five Years 109,388  
After Five, Within Ten Years 0  
After Ten Years 0  
Total short-term investments 109,388  
Corporate Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Within One Year 4,161  
After One, Within Five Years 55,705  
After Five, Within Ten Years 7,430  
After Ten Years 0  
Total short-term investments 67,296  
US Government Agencies Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Within One Year 0  
After One, Within Five Years 3,893  
After Five, Within Ten Years 0  
After Ten Years 0  
Total short-term investments 3,893  
Non-US [Member] | Certificates of Deposit [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Within One Year 112,842  
After One, Within Five Years 4,724  
After Five, Within Ten Years 0  
After Ten Years 0  
Total short-term investments $ 117,566