Business Segments Information (Percentage Of Receivables Due From Major Customers) (Details) (Wal-Mart [Member])	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Wal-Mart [Member]
Accounts receivable due from Wal-Mart as a percentage of consolidated accounts receivable	35.00%	41.00%

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lanc_AccountsReceivableFromMajorCustomersAsPercentageOfConsolidatedAccountsReceivable

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lanc

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