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Assets Held for Sale (Notes)
12 Months Ended
Mar. 31, 2016
Property, Plant and Equipment Assets Held-for-sale Disclosure [Abstract]  
Assets Held for Sale
ASSETS HELD FOR SALE

During the year ended March 31, 2015, the Company began to actively market real property it acquired in the Supertex acquisition. As of March 31, 2015, the Company classified the property as held for sale on its consolidated balance sheet at its fair value of approximately $14.0 million. The Company sold the property on July 22, 2015 for $14.3 million.