Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 4)

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Income Taxes (Details 4) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Balance of gross unrecognized tax benefits, beginning of period $ 6,464 $ 7,283
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period 3,616 431
Decrease due to expiration of statute of limitation (737) (319)
Decrease due to settlement 0 (876)
Effect of currency translation 21 (55)
Balance of gross unrecognized tax benefits, end of period $ 9,364 $ 6,464