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Note 2 - Acquisitions and Dispositions (Details) - Adjusted Pro Forma Effect of the Acquisitions on the Results of Operations (Amega Scientific Corporation [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 30, 2014	Mar. 30, 2013
Amega Scientific Corporation [Member]
Note 2 - Acquisitions and Dispositions (Details) - Adjusted Pro Forma Effect of the Acquisitions on the Results of Operations [Line Items]
Revenues	$ 56,451	$ 50,372
Net income	$ 10,002	$ 9,508
Basic	$ 2.90	$ 2.83
Diluted	$ 2.77	$ 2.65

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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-Name Accounting Standards Codification

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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