SHAREHOLDERS' EQUITY (Details Textual) (USD $)	1 Months Ended		9 Months Ended	1 Months Ended	9 Months Ended
	Jul. 31, 2013	Aug. 31, 2012	Jan. 31, 2014	Aug. 30, 2013 PBGC [Member]	Jan. 31, 2014 PBGC [Member]
Shareholder Equity [Line Items]
Stock Issued During Period, Shares, New Issues	1,199,242
Sale of Stock, Price Per Share	$ 6.25
Proceeds from Sale of Treasury Stock	$ 7,144,000
Share Issuance Expenses	350,000
Pension Contributions		3,000,000	8,688,000	3,243,000	3,243,000
Stock Issued During Period Value Reduction Of Retained Earnings			15,298,000
Stock Issued During Period value Reduction Of Treasury Stock			$ 22,442,000