CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) Share data in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Jan. 31, 2012	$ 55,819	$ (3,352,291)	$ 50,772,594	$ 25,816,224	$ (25,489)	$ 73,266,857
Balance (in shares) at Jan. 31, 2012	5,581,919	(356,441)
Net loss	0	0	0	(10,121,466)	0	(10,121,466)
Other comprehensive income (loss)	0	0	0	0	(1,890,918)	(1,890,918)
Restricted Stock Plan 2009	0	0	131,391	0	0	131,391
Balance at Apr. 30, 2012	$ 55,819	$ (3,352,291)	$ 50,903,985	$ 15,694,758	$ (1,916,407)	$ 61,385,864
Balance (in shares) at Apr. 30, 2012	5,581,919	(356,441)