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Income Taxes (Tables) | 12 Months Ended
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Jan. 31, 2013
Income Taxes [Abstract] |
Reconciliation of Income Taxes by Jurisdiction |
|  | Years Ended January 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
Income (loss) before income taxes is attributable to the following jurisdictions: |  |  |  |
Domestic |  | $ | (2,824 | ) |  | $ | 14,875 |  |  | $ | (522 | )
Foreign |  |  | 16,348 |  |  |  | 19,455 |  |  |  | 7,316 |
Total |  | $ | 13,524 |  |  | $ | 34,330 |  |  | $ | 6,794 |
The components of income tax expense (benefit) were as follows: |  |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  | $ | (2,306 | ) |  | $ | 4,090 |  |  | $ | (171 | )
Foreign |  |  | 3,229 |  |  |  | 6,204 |  |  |  | 2,466 |
|  |  | 923 |  |  |  | 10,294 |  |  |  | 2,295 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  | (4,757 | ) |  |  | 1,042 |  |  |  | (183 | )
Foreign |  |  | 307 |  |  |  | (1,327 | ) |  |  | (47 | )
|  |  | (4,450 | ) |  |  | (285 | ) |  |  | (230 | )
Income tax (benefit) expense |  | $ | (3,527 | ) |  | $ | 10,009 |  |  | $ | 2,065 |
Reconciliation of expected to actual income tax expense |
|  | Years Ended January 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
Federal income tax expense at 34% in 2013, 35% in 2012 and 34% in 2011 |  | $ | 4,598 |  |  | $ | 12,016 |  |  | $ | 2,310 |
Changes in tax rates |  |  | 23 |  |  |  | (7 | ) |  |  | 131 |
Permanent differences |  |  | (741 | ) |  |  | 347 |  |  |  | (300 | )
Foreign effective tax rate differential |  |  | (3,092 | ) |  |  | (2,574 | ) |  |  | (1,149 | )
Potential tax, penalties and interest resulting from uncertain tax positions |  |  | (5,059 | ) |  |  | 529 |  |  |  | 279 |
Undistributed earnings of foreign affiliates |  |  | — |  |  |  | (435 | ) |  |  | 646 |
Foreign withholding taxes |  |  | — |  |  |  | 268 |  |  |  | 122 |
Other |  |  | 744 |  |  |  | (135 | ) |  |  | 26 |
|  | $ | (3,527 | ) |  | $ | 10,009 |  |  | $ | 2,065 |
Company's deferred taxes |
|  | As of January 31, |
|  | 2013 |  |  | 2012 |
|  | (in thousands) |
Deferred tax assets: |  |  |  |  |  |  |  |
Net operating losses |  | $ | 1,246 |  |  | $ | 146 |
Tax credit carry forwards |  |  | 3,449 |  |  |  | 803 |
Stock option book expense |  |  | 2,605 |  |  |  | 2,533 |
Allowance for doubtful accounts |  |  | 1,752 |  |  |  | 1,645 |
Allowance for inventory obsolescence |  |  | 192 |  |  |  | 192 |
Accruals not yet deductible for tax purposes |  |  | 692 |  |  |  | 1,115 |
Other |  |  | 675 |  |  |  | 1,531 |
Gross deferred tax assets |  |  | 10,611 |  |  |  | 7,965 |
Valuation allowance |  |  | — |  |  |  | — |
Deferred tax assets |  |  | 10,611 |  |  |  | 7,965 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Fixed assets |  |  | (1,841 | ) |  |  | (3,617 | )
Intangible assets |  |  | (595 | ) |  |  | (774 | )
Foreign branch taxes |  |  | (1,626 | ) |  |  | (1,575 | )
Other |  |  | (411 | ) |  |  | — |
Deferred tax liabilities |  |  | (4,473 | ) |  |  | (5,966 | )
Total deferred tax assets, net |  | $ | 6,138 |  |  | $ | 1,999 |
Unrecognized tax benefits |
|  | Years Ended January 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
Unrecognized tax benefits as beginning of year |  | $ | (3,300 | ) |  | $ | (3,350 | ) |  | $ | (3,327 | )
Increases (decreases) as a result of tax positions taken in prior years |  |  | — |  |  |  | 50 |  |  |  | (23 | )
Increases as a result of tax positions taken in current year |  |  | — |  |  |  | — |  |  |  | — |
Settlements |  |  | 3,300 |  |  |  | — |  |  |  | — |
Lapse of statute of limitations |  |  | — |  |  |  | — |  |  |  | — |
Unrecognized tax benefits as of end of year |  | $ | — |  |  | $ | (3,300 | ) |  | $ | (3,350 | )

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