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Note 9 - Business Segments (Detail) - Assets (USD $)
In Thousands
Jun. 30, 2011
JBI [Member]
Jun. 30, 2010
JBI [Member]
Jun. 30, 2011
DCS [Member]
Jun. 30, 2010
DCS [Member]
Jun. 30, 2011
JBT [Member]
Jun. 30, 2010
JBT [Member]
Jun. 30, 2011
ICS [Member]
Jun. 30, 2010
ICS [Member]
Jun. 30, 2011
Other Including Corporate [Member]
Jun. 30, 2010
Other Including Corporate [Member]
Jun. 30, 2011
Total [Member]
Jun. 30, 2010
Total [Member]
Segment Assets $ 1,193,000 $ 994,000 $ 490,000 $ 453,000 $ 246,000 $ 272,000 $ 43,000 $ 34,000 $ 149,000 $ 148,000 $ 2,121,000 $ 1,901,000