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Business (Details)
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Business      
Percentage of revenues derived from products manufactured internally 45.00% 40.00% 50.00%
Percentage revenues derived from products produced by various co-packers 55.00% 60.00% 50.00%
Maximum percentage manufactured by a single co-producer 10.00% 10.00% 10.00%