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Note 15 DERIVATIVE FINANCIAL INSTRUMENTS (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2012
Mar. 31, 2013
Dec. 31, 2011
Oct. 31, 2011
Notional Amount of Foreign Currency Derivatives       $ 59,400
Loss on Cash Flow Hedge Ineffectiveness 6,179      
Deferred Gain Loss On Discontinuation Of Cash Flow Hedge 3,862      
Line of Credit Facility, Amount Outstanding 149,805      
Projected Net Settlements On Swaps   1,300    
Derivative Forward Exchange Gain   3,359    
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) 7,338   12,114  
Unrealized Gain Loss On Interest Rate Cash Flow Hedges Tax Accumulated Other Comprehensive Income Loss $ 2,650   $ 4,354