Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Details)

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Goodwill and Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2012
Sep. 30, 2011
Mar. 31, 2012
Indefinite Lived Intangible Assets:        
Trademarks $ 7,644 $ 7,644   $ 7,644
Amortized Intangibles:        
Accumulated Amortization 10,714 10,714   9,930
Intangible assets        
Total intangible assets 40,102 40,102   41,527
Goodwill        
Gross balance at the beginning of fiscal year   36,676    
Acquisitions     36,676  
Impairment charges (1,092) (1,092)    
Gross balance at the end of fiscal year 35,584 35,584 36,676  
Customer relationships, patents and other
       
Amortized Intangibles:        
Carrying Amount 43,172 43,172   43,813
Accumulated Amortization $ 10,714 $ 10,714   $ 9,930
Customer relationships, patents and other | Minimum
       
Amortized Intangibles:        
Useful life   3 years    
Customer relationships, patents and other | Maximum
       
Amortized Intangibles:        
Useful life   18 years