Consolidated Statement Of Changes in Shareholders' Equity - 6 months ended Sep. 24, 2016 - USD ($) $ in Thousands		Class C Convertible Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total
Balance beginning at Mar. 26, 2016		$ 49	$ 386	$ (105,856)	$ 186,550	$ (4,576)	$ 459,642	$ 536,195
Beginning balance, preferred shares at Mar. 26, 2016		32,500						32,500
Beginning balance, common shares at Mar. 26, 2016			38,557,000	6,317,000
Net income							34,299	$ 34,299
Other comprehensive loss:
Pension liability adjustment [($265) pre-tax]						(128)		(128)
Cash Dividends:
Preferred dividends	[1]						(258)	(258)
Common dividends	[1]						(10,978)	(10,978)
Tax benefit from exercise of stock options					479			479
Exercise of stock options				$ (356)	2,280			1,924
Exercise of stock options, shares			65,000	5,000
Stock-based compensation					1,972			1,972
Balance ending at Sep. 24, 2016		$ 49	$ 386	$ (106,212)	$ 191,281	$ (4,704)	$ 482,705	$ 563,505
Ending balance, preferred shares at Sep. 24, 2016		32,500						32,500
Ending balance, common shares at Sep. 24, 2016			38,622,000	6,322,000

[1] Represents first and second quarter fiscal year 2017 dividends of $.17 per common share or common share equivalent each quarter, paid on June 13, 2016 and September 1, 2016, respectively.