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Earning Per Share-Diluted (detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Diluted
Earnings (Loss) Attributable to Common Stock	$ 6,456	$ (576)	$ 9,376	$ (684)
Dividends Convertible Preferred Stock Cash	5	5	10	10
Net Income (Loss) Available to Common Stockholders, Diluted	$ 6,461	$ (571)	$ 9,386	$ (674)
Weighted Average Number of Shares Outstanding, Basic	9,901	10,774	9,895	10,787
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	2	4	2	4
Incremental Common Shares Attributable to Conversion of Preferred Stock	67	67	67	67
Weighted Average Number of Shares Outstanding, Diluted	9,970	10,845	9,964	10,858
Diluted Earnings (Loss) per Common Share	$ 0.65	$ (0.05)	$ 0.94	$ (0.06)

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The aggregate value of convertible preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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