CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $)	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid In Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]
Balance at Mar. 31, 2012	$ 354,673,000	$ 6,268,000	$ 2,938,000	$ 92,139,000	$ (1,435,000)	$ (23,319,000)	$ 278,082,000
Net Earnings (Loss)	37,502,000						37,502,000
Cash dividends paid on preferred stock							(23,000)
Equity incentive program			3,000	46,000
Stock issued for bonus program (Note 5)				29,000
Treasury stock purchased (Note 5)					(28,448,000)
Stock conversion (Note 5)		(801,000)	14,000	787,000
Change in pension and post retirement benefits adjustment (net of tax)	53,000					53,000
Balance at Dec. 29, 2012	$ 363,835,000	$ 5,467,000	$ 2,955,000	$ 93,001,000	$ (29,883,000)	$ (23,266,000)	$ 315,561,000