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Income Taxes (Tables) | 12 Months Ended
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Jun. 30, 2014
Income Tax Disclosure [Abstract] |
Income before Income Tax Provision, Domestic and Foreign | The components of income before income tax provision for the years ended June 30, 2014, 2013 and 2012 are as follows (in thousands):
| Years Ended June 30,
| 2014 |  | 2013 |  | 2012
United States | $ | 66,152 |  |  | $ | 14,102 |  |  | $ | 41,540 |
Foreign | 13,442 |  |  | 12,494 |  |  | 3,811 |
Income before income tax provision | $ | 79,594 |  |  | $ | 26,596 |  |  | $ | 45,351 |
Components of Income Tax Provision | The income tax provision for the years ended June 30, 2014, 2013 and 2012, consists of the following (in thousands):
| Years Ended June 30,
| 2014 |  | 2013 |  | 2012
Current: |  |  |  |  |
Federal | $ | 20,102 |  |  | $ | 7,904 |  |  | $ | 17,210 |
State | 624 |  |  | 684 |  |  | 817 |
Foreign | 5,252 |  |  | 3,806 |  |  | 1,206 |
| 25,978 |  |  | 12,394 |  |  | 19,233 |
Deferred: |  |  |  |  |
Federal | 122 |  |  | (5,984 | ) |  | (2,862 | )
State | (472 | ) |  | (1,093 | ) |  | (873 | )
Foreign | (191 | ) |  | — |  |  | — |
| (541 | ) |  | (7,077 | ) |  | (3,735 | )
Income tax provision | $ | 25,437 |  |  | $ | 5,317 |  |  | $ | 15,498 |
Deferred Tax Assets and Liabilities | The Company’s net deferred tax assets as of June 30, 2014 and 2013, consist of the following (in thousands):
| June 30,
| 2014 |  | 2013
Warranty accrual | $ | 2,459 |  |  | $ | 2,204 |
Marketing fund accrual | 938 |  |  | 795 |
Inventory valuation | 9,472 |  |  | 10,313 |
Stock-based compensation | 4,114 |  |  | 3,889 |
Research and development credit | 1,938 |  |  | 1,906 |
Other | 4,719 |  |  | 4,216 |
Total deferred income tax assets | 23,640 |  |  | 23,323 |
Deferred tax liabilities-depreciation and other | (644 | ) |  | (262 | )
Deferred income tax assets-net | $ | 22,996 |  |  | $ | 23,061 |
Effective Income Tax Rate Reconciliation | The following is a reconciliation for the years ended June 30, 2014, 2013 and 2012, of the statutory rate to the Company’s effective federal tax rate:
|  | Years Ended June 30,
|  | 2014 |  | 2013 |  | 2012
Tax at statutory rate |  | 35.0 | % |  | 35.0 | % |  | 35.0 | %
State income tax, net of federal tax benefit |  | 3.3 |  |  | 3.8 |  |  | 2.5 |
Foreign tax rate differences |  | (2.5 | ) |  | (6.7 | ) |  | (1.0 | )
Research and development tax credit |  | (4.0 | ) |  | (14.4 | ) |  | (5.7 | )
Qualified production activity deduction |  | (1.8 | ) |  | (2.9 | ) |  | (2.4 | )
Stock based compensation |  | 4.5 |  |  | 13.5 |  |  | 6.2 |
Uncertain tax positions |  | (2.1 | ) |  | (11.0 | ) |  | (0.5 | )
Subpart F income inclusion |  | (3.9 | ) |  | (3.8 | ) |  | (0.6 | )
Foreign withholding tax |  | 4.1 |  |  | 5.5 |  |  | 2.0 |
Federal tax return to provision adjustment |  | (0.7 | ) |  | (3.9 | ) |  | (0.2 | )
Other |  | 0.1 |  |  | 4.9 |  |  | (1.1 | )
Effective tax rate |  | 32.0 | % |  | 20.0 | % |  | 34.2 | %
Schedule of Unrecognized Tax Benefits Roll Forward | The following table summarizes the activity related to the unrecognized tax benefits (in thousands):
| Gross* Unrecognized Income Tax Benefits
Balance at June 30, 2011 | $ | 6,549 |
Gross increases: |
For current year’s tax positions | 1,302 |
For prior years’ tax positions | 501 |
Gross decreases: |
Settlements and releases due to the lapse of statutes of limitations | (225 | )
For prior year' tax positions | (102 | )
Balance at June 30, 2012 | 8,025 |
Gross increases: |
For current year’s tax positions | 2,044 |
For prior years’ tax positions | 490 |
Gross decreases: |
Settlements and releases due to the lapse of statutes of limitations | (2,470 | )
For prior years’ tax positions | — |
Balance at June 30, 2013 | 8,089 |
Gross increases: |
For current year’s tax positions | 3,120 |
For prior years’ tax positions | 132 |
Gross decreases: |
Settlements and releases due to the lapse of statutes of limitations | (1,726 | )
For prior years’ tax positions | — |
Balance at June 30, 2014 | $ | 9,615 |
__________________________
* | excludes interest, penalties, federal benefit of state reserves

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 55 -Paragraph 217 -URI http://asc.fasb.org/extlink&oid=32707879&loc=d3e36027-109320 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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