Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets (Details)

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Goodwill and Intangible Assets (Details) (USD $)
0 Months Ended 12 Months Ended
Jan. 03, 2013
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Indefinite Lived Intangible Assets:        
Trademarks   $ 7,207,000 $ 7,644,000  
Amortized Intangibles:        
Accumulated Amortization   11,788,000 9,930,000  
Intangible assets        
Total intangible assets   38,646,000 41,527,000  
Trademark impairment   300,000    
Amortization charges   2,300,000 2,000,000 2,300,000
Estimated amortization of intangible assets        
2014   2,400,000    
2015   2,400,000    
2016   2,400,000    
2017   2,400,000    
2018   2,400,000    
Thereafter   19,200,000    
Goodwill        
Balance at the beginning of the period   36,676,000    
Acquisitions     36,676,000  
Impairment charges   (1,092,000)    
Balance at the end of the period   35,584,000 36,676,000  
Impairment on goodwill and intangible assets 0      
Customer relationships, patents and other
       
Amortized Intangibles:        
Carrying Amount   43,227,000 43,813,000  
Accumulated Amortization   $ 11,788,000 $ 9,930,000  
Customer relationships, patents and other | Minimum
       
Amortized Intangibles:        
Useful life   3 years    
Customer relationships, patents and other | Maximum
       
Amortized Intangibles:        
Useful life   18 years    
Customer relationships, patents and other | Weighted-average
       
Amortized Intangibles:        
Useful life   16 years 16 years