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Segment Disclosure
 9 Months Ended
Jan. 28, 2012
Segment Disclosure [Abstract]  
Note 5. Segment Disclosure
Note 5. Segment Disclosure

We have organized our business into five business units which meet the definition of reportable segments under ASC 280-10, Segment Reporting: the Commercial segment, the Live Events segment, the Schools and Theatres segment, the Transportation segment, and the International segment.

Our Commercial segment primarily consists of sales of our video, Galaxy�, FuelightT and ValoT product lines to resellers (primarily sign companies), outdoor advertisers, national retailers, quick-serve restaurants, casinos and petroleum retailers.  Our Live Events segment primarily consists of sales of integrated scoring and video display systems to college and professional sports facilities and convention centers and sales of our mobile PST display technology to video rental organizations and other live events type venues.  Our Schools and Theatres segment primarily consists of sales of scoring systems, Galaxy� displays and video display systems to primary and secondary education facilities and sales of our Vortek� automated rigging systems for theatre applications.  Our Transportation segment primarily consists of sales of our Vanguard� and Galaxy� product lines to governmental transportation departments, airlines and other transportation related customers.  Finally, our International segment primarily consists of sales of all product lines to geographies outside the United States and Canada.

Segment reports present results through contribution margin, which is comprised of gross profit less selling costs. Segment profit excludes general and administration expense, product development expense, interest income and expense, non-operating income and income tax expense.  Assets are not allocated to the segments. Depreciation and amortization, excluding that portion related to non-allocated costs, are allocated to each segment based on various financial measures.  In general, segments follow the same accounting policies as those described in Note 1.  Costs of domestic field sales and services infrastructure, including most field administrative staff, are allocated to the Commercial, Live Events, and Schools and Theatres segments based on cost of sales.  Shared manufacturing, building and utilities and procurement costs are allocated based on payroll dollars, square footage and various other financial measures.

We do not maintain information on sales by products and, therefore, disclosure of such information is not practical.
 
The following table sets forth certain financial information for each of our five operating segments for the periods indicated:


   
Three Months Ended
  
Nine Months Ended
 
   
January 28,
  
January 29,
  
January 28,
  
January 28,
 
   
2012
  
2011
  
2012
  
2011
 
              
Net sales:
            
    Commercial
 $38,833  $28,750  $115,239  $83,760 
    Live Events
  38,496   36,138   123,676   120,846 
    Schools & Theatres
  10,696   11,672   46,418   49,671 
    Transportation
  10,261   11,063   34,201   30,091 
    International
  24,639   12,245   57,998   42,921 
   $122,925  $99,868  $377,532  $327,289 
                  
Contribution margin:
                
    Commercial
 $6,834  $3,423  $18,820  $10,272 
    Live Events
  2,643   2,837   12,073   14,183 
    Schools & Theatres
  (830)  734   3,979   7,244 
    Transportation
  2,080   2,199   8,219   6,676 
    International
  3,787   2,301   7,264   7,588 
    14,514   11,494   50,355   45,963 
                  
Non-allocated operating expenses:
                
    General and administrative
  6,974   6,047   20,410   17,259 
    Product design and development
  5,696   4,673   17,050   13,787 
Operating income
  1,844   774   12,895   14,917 
                  
Nonoperating income (expense):
                
    Interest income
  434   544   1,326   1,382 
    Interest expense
  (61)  (41)  (231)  (118)
    Other income (expense), net
  (29)  557   (221)  818 
                  
Income before income taxes
  2,188   1,834   13,769   16,999 
    Income tax expense
  522   3   4,775   5,718 
Net income
 $1,666  $1,831  $8,994  $11,281 
                  
Depreciation and amortization:
                
    Commercial
 $1,524  $1,743  $4,721  $5,104 
    Live Events
  1,260   1,614   3,826   4,790 
    Schools & Theatres
  591   658   1,807   2,001 
    Transportation
  337   391   1,043   1,102 
    International
  164   210   494   656 
    Unallocated corporate depreciation
  511   435   1,507   1,327 
   $4,387  $5,051  $13,398  $14,980 

No single geographic area comprises a material amount of net sales or long-lived assets other than the United States.  The following table presents information about us in the United States and elsewhere:
 
 
United States
 
Outside U.S.
 
Total
 
Net sales for three months ended:
      
      January 28, 2012
$94,537 $28,388 $122,925 
      January 29, 2011
 83,668  16,200  99,868 
           
Net sales for nine months ended:
         
      January 28, 2012
$310,266 $67,266 $377,532 
      January 29, 2011
 275,429  51,860  327,289 
           
Long-lived assets at:
         
      January 28, 2012
$66,938 $2,084 $69,022 
      April 30, 2011
 68,034  1,832  69,866 
 
We are not economically dependent on a limited number of customers for the sale of our products and services because we have numerous customers world-wide.  We are not economically dependent on a limited number of suppliers for our inventory items because we have numerous suppliers world-wide.