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Lease Commitments for Leases having Terms of More than One Year (Table Text Block)
3 Months Ended
Jun. 30, 2012
Leases, Operating [Abstract]  
Operating leases of lessee disclosure
Lease commitments for leases having terms of more than one year were as follows:
 
   
Property,
Plant and
Equipment
  
Rental
Equipment
  
Total
 
   
(Unaudited)
 
      
(In thousands)
    
Year-ended June 30:
         
2013
 $14,235  $94,511  $108,746 
2014
  12,109   77,638   89,747 
2015
  969   54,068   55,037 
2016
  808   21,317   22,125 
2017
  714   11,552   12,266 
Thereafter
  5,461   14,759   20,220 
Total
 $34,296  $273,845  $308,141