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Employee Benefit Plans - Reconciliation of Level 3 (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Reconciliation of Level 3 assets    
Balance at beginning of the year $ 167 $ 4,093
Realized gains 15 (828)
Net unrealized gains (9) 217
Net purchases, issuances and settlements (173) (3,315)
Balance at end of the year $ 0 $ 167