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Defined Contribution And Other Employee Plans (Schedule Of Multiemployer Pension Plans) (Details) - Multiemployer Plans, Pension [Member] - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Multiemployer Plans [Line Items]      
Multiemployer Plan, Period Contributions $ 2,025 $ 1,941 $ 1,729
Cleveland Bakers And Teamsters Pension Fund [Member]      
Multiemployer Plans [Line Items]      
EIN 340904419    
PN 001    
Pension Protection Act Zone Status   Red Red
Pension Protection Act Zone Status, Date   Dec. 31, 2014 Dec. 31, 2013
FIP/RP Status Pending/Implemented Implemented    
Multiemployer Plan, Period Contributions $ 1,605 $ 1,501 $ 1,332
Surcharge Imposed No    
Expiration Date of Collective Bargaining Agreement Apr. 30, 2016    
Western Conference Of Teamsters Pension Trust [Member]      
Multiemployer Plans [Line Items]      
EIN 916145047    
PN 001    
Pension Protection Act Zone Status   Green Green
Pension Protection Act Zone Status, Date   Dec. 31, 2014 Dec. 31, 2013
FIP/RP Status Pending/Implemented No    
Multiemployer Plan, Period Contributions $ 420 $ 440 $ 397
Surcharge Imposed No    
Expiration Date of Collective Bargaining Agreement Dec. 15, 2018