Earning Per Share-Diluted (detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 31, 2016	Dec. 26, 2015
Diluted
Earnings (Loss) Attributable to Common Stock	$ 8,100	$ 30,832	$ 14,115	$ 40,180
Dividends Convertible Preferred Stock Cash	5	5	15	15
Net Income (Loss) Available to Common Stockholders, Diluted	$ 8,105	$ 30,837	$ 14,130	$ 40,195
Weighted Average Number of Shares Outstanding, Basic	9,770	9,884	9,790	9,891
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	2	2	2	2
Incremental Common Shares Attributable to Conversion of Preferred Stock	67	67	67	67
Weighted Average Number of Shares Outstanding, Diluted	9,839	9,953	9,859	9,960
Diluted Earnings (Loss) per Common Share	$ 0.82	$ 3.1	$ 1.43	$ 4.04