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Subsequent Event
3 Months Ended
Apr. 30, 2011
Subsequent Events [Abstract]  
SUBSEQUENT EVENT
12.  
SUBSEQUENT EVENTS
In May 2011, the Company entered into a ¥4,000,000,000 ($49,240,000 at issuance) one-year uncommitted credit facility. Borrowings may be made on one-, three- or 12-month terms bearing interest at the LIBOR rate plus 0.25%, subject to bank approval. The Company borrowed the full amount under the facility.
On May 19, 2011, the Company’s Board of Directors declared a 16% increase in the quarterly dividend rate on its Common Stock, increasing it from $0.25 per share to $0.29 per share. This dividend will be paid on July 11, 2011 to stockholders of record on June 20, 2011.