| Income Tax Disclosure [Abstract] | Period [Axis] |
|---|
2016-02-01 - 2017-01-31 |
|---|
Income Tax Disclosure [Abstract] | |
Summary of Income before Income Taxes |
Income before income taxes consisted of the following for the periods indicated:
|
|
|
Year Ended January 31, |
|
|
|
|
2017 |
|
|
2016 |
|
|
2015 |
|
|
|
|
(in thousands) |
|
|
U.S. operations |
|
$ |
3,092 |
|
|
$ |
3,190 |
|
|
$ |
1,978 |
|
|
Non-U.S. operations |
|
|
57,789 |
|
|
|
82,019 |
|
|
|
50,058 |
|
|
Income before income taxes |
|
$ |
60,881 |
|
|
$ |
85,209 |
|
|
$ |
52,036 |
|
|
Schedule of Income Tax Provision |
Income tax provision consisted of the following for the periods indicated:
|
|
|
Year Ended January 31, |
|
|
|
|
2017 |
|
|
2016 |
|
|
2015 |
|
|
|
|
(in thousands) |
|
|
Current: |
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. federal tax |
|
$ |
818 |
|
|
$ |
5,273 |
|
|
$ |
3,135 |
|
|
U.S. state taxes |
|
|
(212 |
) |
|
|
541 |
|
|
|
93 |
|
|
Non-U.S. foreign taxes |
|
|
1,454 |
|
|
|
1,874 |
|
|
|
1,348 |
|
|
|
|
|
2,060 |
|
|
|
7,688 |
|
|
|
4,576 |
|
|
Deferred: |
|
|
|
|
|
|
|
|
|
|
|
|
|
U.S. federal tax |
|
|
1,174 |
|
|
|
1,050 |
|
|
|
(3,208 |
) |
|
U.S. state taxes |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
Non-U.S. foreign taxes |
|
|
(163 |
) |
|
|
(37 |
) |
|
|
97 |
|
|
|
|
|
1,011 |
|
|
|
1,013 |
|
|
|
(3,111 |
) |
|
Provision for income taxes |
|
$ |
3,071 |
|
|
$ |
8,701 |
|
|
$ |
1,465 |
|
|
Schedule of Reconciliation Between the Provision (Benefit) for Income Taxes at the Statutory Rate and the Effective Tax Rate |
For purposes of the reconciliation between the provision (benefit) for income taxes at the statutory rate and the effective tax rate, a notional U.S. 34% rate is applied to pretax income as a result of the following for the periods indicated:
|
|
|
Year Ended January 31, |
|
|
|
|
2017 |
|
|
2016 |
|
|
2015 |
|
|
|
|
(in thousands) |
|
|
Provision at U.S. notional statutory rate |
|
$ |
20,700 |
|
|
$ |
28,971 |
|
|
$ |
17,692 |
|
|
U.S. state taxes |
|
|
(216 |
) |
|
|
541 |
|
|
|
90 |
|
|
Non-U.S. foreign tax differential |
|
|
(18,357 |
) |
|
|
(26,253 |
) |
|
|
(15,644 |
) |
|
Stock-based compensation |
|
|
1,605 |
|
|
|
2,896 |
|
|
|
1,601 |
|
|
U.S. R&D credit |
|
|
(2,226 |
) |
|
|
(3,517 |
) |
|
|
(2,298 |
) |
|
Valuation allowance |
|
|
1,901 |
|
|
|
6,090 |
|
|
|
— |
|
|
Other |
|
|
(336 |
) |
|
|
(27 |
) |
|
|
24 |
|
|
Provision for income taxes |
|
$ |
3,071 |
|
|
$ |
8,701 |
|
|
$ |
1,465 |
|
|
Schedule of Deferred Tax Assets and Liabilities |
Temporary differences that gave rise to significant portions of the Company’s deferred tax assets and liabilities at January 31, 2017 and 2016 were as follows:
|
|
|
As of January 31, |
|
|
|
|
2017 |
|
|
2016 |
|
|
|
|
(in thousands) |
|
|
Deferred tax assets: |
|
|
|
|
|
|
|
|
|
Federal and state credits |
|
$ |
14,782 |
|
|
$ |
11,852 |
|
|
Expenses not currently deductible |
|
|
2,381 |
|
|
|
2,331 |
|
|
Stock-based compensation |
|
|
3,561 |
|
|
|
2,503 |
|
|
Foreign deferred |
|
|
161 |
|
|
|
— |
|
|
Gross deferred tax assets |
|
|
20,885 |
|
|
|
16,686 |
|
|
Valuation allowance |
|
|
(15,061 |
) |
|
|
(12,072 |
) |
|
Total deferred tax assets |
|
$ |
5,824 |
|
|
$ |
4,614 |
|
|
Deferred tax liabilities |
|
|
|
|
|
|
|
|
|
Property and equipment |
|
|
(1,383 |
) |
|
|
(1,378 |
) |
|
Foreign deferred |
|
|
— |
|
|
|
(33 |
) |
|
Net deferred tax assets |
|
$ |
4,441 |
|
|
$ |
3,203 |
|
|
Summary of Tax Valuation Allowance |
Tax valuation allowance for the periods indicated below were as follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Deductions |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Additions |
|
|
Charged to |
|
|
|
|
|
|
|
|
Balance at |
|
|
Additional |
|
|
Charged to |
|
|
Expenses |
|
|
Balance at |
|
|
|
|
Beginning of |
|
|
Charged to |
|
|
Other |
|
|
or Other |
|
|
End of |
|
|
|
|
Period |
|
|
Expenses |
|
|
Account |
|
|
Accounts |
|
|
Period |
|
|
|
|
(in thousands) |
|
|
Tax Valuation Allowance |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Year ended January 31, 2017 |
|
$ |
12,072 |
|
|
|
2,989 |
|
|
|
— |
|
|
|
— |
|
|
$ |
15,061 |
|
|
Year ended January 31, 2016 |
|
$ |
3,996 |
|
|
|
8,076 |
|
|
|
— |
|
|
|
— |
|
|
$ |
12,072 |
|
|
Year ended January 31, 2015 |
|
$ |
2,302 |
|
|
|
1,694 |
|
|
|
— |
|
|
|
— |
|
|
$ |
3,996 |
|
|
Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits |
The following table sets forth a reconciliation of the beginning and ending amount of unrecognized tax benefits:
|
|
|
Year Ended January 31, |
|
|
|
|
2017 |
|
|
2016 |
|
|
2015 |
|
|
|
|
(in thousands) |
|
|
Beginning balance: |
|
$ |
30,211 |
|
|
$ |
4,671 |
|
|
$ |
3,583 |
|
|
Additions based on tax positions related to the
current year |
|
|
7,830 |
|
|
|
17,169 |
|
|
|
1,284 |
|
|
Additions for tax positions of prior years |
|
|
911 |
|
|
|
8,810 |
|
|
|
324 |
|
|
Reductions for tax positions in prior years |
|
|
— |
|
|
|
(37 |
) |
|
|
— |
|
|
Settlements for prior periods |
|
|
— |
|
|
|
— |
|
|
|
(43 |
) |
|
Lapse of applicable statute of limitations |
|
|
(975 |
) |
|
|
(402 |
) |
|
|
(477 |
) |
|
Ending balance: |
|
$ |
37,977 |
|
|
$ |
30,211 |
|
|
$ |
4,671 |
|
|