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)	8,191,000						8,191,000
Cash dividends paid on preferred stock							(12,000)
Equity incentive program			2,000	19,000
Stock issued for bonus program (Note 5)			1,000	29,000
Treasury stock purchased (Note 5)					(445,000)
Change in pension and post retirement benefits adjustment (net of tax $16)	(25,000)					(25,000)
Balance at Jun. 30, 2012	$ 362,433,000	$ 6,268,000	$ 2,941,000	$ 92,187,000	$ (1,880,000)	$ (23,344,000)	$ 286,261,000