v2.4.0.8

Business Acquisitions (Schedule of Proforma Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
ISSC Technologies Corporation [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net sales | $ 547,543 | $ 512,150 | $ 1,097,473 | $ 993,191
Net income | 95,261 | 92,527 | 178,729 | 161,602
Basic earnings per share | $ 0.47 | $ 0.47 | $ 0.89 | $ 0.82
Diluted earnings per share | $ 0.42 | $ 0.43 | $ 0.79 | $ 0.75
Supertex Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net sales | 546,243 | 510,418 | 1,077,588 | 986,939
Net income | $ 98,391 | $ 91,271 | $ 203,896 | $ 152,235
Basic earnings per share | $ 0.49 | $ 0.46 | $ 1.02 | $ 0.77
Diluted earnings per share | $ 0.44 | $ 0.42 | $ 0.91 | $ 0.71

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