Subsequent Event	9 Months Ended
Oct. 31, 2011
Subsequent Event [Abstract]
Subsequent Event	NOTE 11 — SUBSEQUENT EVENT On November 30, 2011, as part of the Company's ongoing initiatives to optimize profitability and return on invested capital, the decision was made to close the Company's commercial operations in Brazil by the end of fiscal 2012. As a result of this closure, the Company expects to incur operating losses and other charges in the fourth quarter of fiscal 2012 of approximately $22.0 million to $25.0 million. The Company will also record approximately $8.0 million to $10.0 million as an impairment on the Company's investment in Brazil due to a foreign currency exchange loss (previously recorded in shareholders' equity as accumulated other comprehensive income). In addition, the Company will record a non-cash charge to increase its provision for income taxes by approximately $8.0 million to $10.0 million to write-off the deferred tax assets in Brazil. These estimates do not include any estimated costs associated with the Brazilian subsidiary's contingencies related to CIDE and other non-income related tax examinations (see further discussion in Note 9—Commitments and Contingencies).

Subsequent Event

9 Months Ended

Oct. 31, 2011

NOTE 11 — SUBSEQUENT EVENT

On November 30, 2011, as part of the Company's ongoing initiatives to optimize profitability and return on invested capital, the decision was made to close the Company's commercial operations in Brazil by the end of fiscal 2012. As a result of this closure, the Company expects to incur operating losses and other charges in the fourth quarter of fiscal 2012 of approximately $22.0 million to $25.0 million. The Company will also record approximately $8.0 million to $10.0 million as an impairment on the Company's investment in Brazil due to a foreign currency exchange loss (previously recorded in shareholders' equity as accumulated other comprehensive income). In addition, the Company will record a non-cash charge to increase its provision for income taxes by approximately $8.0 million to $10.0 million to write-off the deferred tax assets in Brazil. These estimates do not include any estimated costs associated with the Brazilian subsidiary's contingencies related to CIDE and other non-income related tax examinations (see further discussion in Note 9—Commitments and Contingencies).