Quarterly report pursuant to Section 13 or 15(d)

(Loss) Income Per Share (Details)

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(Loss) Income Per Share (Details)
3 Months Ended 6 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2012
Jul. 31, 2011
Weighted average shares used in calculating earnings per share - Basic (in shares) 32,629 32,080 32,585 32,008
Dilutive common stock equivalents (in shares) 0 604 0 541
Weighted average shares used in calculating earnings per share - Diluted (in shares) 32,629 32,684 32,585 32,549