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Note S - Goodwill and Intangible Assets (Detail) - (Table 2) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Total [Member]
  
Cost Basis $ 151,966
Accumulated amortization 13,856
Net Carrying Amount 138,110
Trade Names [Member]
  
Estimated Lives 6-10 years
Cost Basis 8,636
Accumulated amortization 1,392
Net Carrying Amount 7,244
Customer Lists [Member]
  
Estimated Lives 10 years
Cost Basis 27,234
Accumulated amortization 5,570
Net Carrying Amount 21,664
Licensing Agreements [Member]
  
Estimated Lives 3-6 years
Cost Basis 5,600
Accumulated amortization 5,600
Noncompete Agreements [Member]
  
Estimated Lives 5 years
Cost Basis 2,440
Accumulated amortization 1,280
Net Carrying Amount 1,160
Other Intangible Assets [Member]
  
Estimated Lives 3 years
Cost Basis 14
Accumulated amortization 14
Total [Member]
  
Cost Basis 43,924
Accumulated amortization 13,856
Net Carrying Amount 30,068
Contractual Rights [Member]
  
Estimated Lives indefinite
Cost Basis 35,200
Net Carrying Amount 35,200
Trademarks [Member]
  
Estimated Lives indefinite
Cost Basis 72,842
Net Carrying Amount $ 72,842