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Lease Commitments And Contingencies (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Lease Commitments and Contingencies:  
Lease Commitment - 2014 $ 1,721
Lease Commitment - 2015 159
Lease Commitment - 2016 27
Lease Commitment - 2017   
Lease Commitment - 2018   
Lease Commitment - Later years   
Aggregate future minimum lease payments $ 1,907