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Equity and Long-Term Incentive Compensation Plans (Tables) | 12 Months Ended
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Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Combined Activity Under Equity Incentive Plan | The following table summarizes the combined activity under the Company’s equity incentive plans for the indicated periods:
(In thousands) | Available For Grant
Balances as of June 30, 2015 | 7,810 |
Restricted stock units granted(1)(3) | (1,541 | )
Restricted stock units canceled(1) | 509 |
Balances as of June 30, 2016 | 6,778 |
Restricted stock units granted(1)(3) | (2,169 | )
Restricted stock units canceled(1) | 101 |
Balances as of June 30, 2017 | 4,710 |
Restricted stock units granted(1)(3) | (1,132 | )
Restricted stock units granted adjustment(2) | 33 |
Restricted stock units canceled(1) | 69 |
Balances as of June 30, 2018 | 3,680 |
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(1) | The number of restricted stock units reflects the application of the award multiplier as described above (1.8x or 2.0x depending on the grant date of the applicable award).
(2) | Represents the portion of restricted stock units granted with performance-based vesting criteria and reported at the actual number of shares issued upon achievement of the performance vesting criteria during the fiscal year ended June 30, 2018.
(3) | Includes restricted stock units granted to senior management with performance-based vesting criteria (in addition to service-based vesting criteria for any of such restricted stock units that are deemed to have been earned). As of June 30, 2018, it had not yet been determined the extent to which (if at all) the performance-based vesting criteria had been satisfied. Therefore, this line item includes all performance-based restricted stock units granted during the fiscal year, reported at the maximum possible number of shares that may ultimately be issuable if all applicable performance-based criteria are achieved at their maximum levels and all applicable service-based criteria are fully satisfied (0.3 million shares, 84 thousand shares and 0.7 million shares for the fiscal years ended June 30, 2018, 2017 and 2016, respectively, after application of the 1.8x or 2.0x multiplier described above).
Schedule of Stock-Based Compensation Expense | The following table shows pre-tax stock-based compensation expense for the indicated periods:
| Year ended June 30,
(In thousands) | 2018 |  | 2017 |  | 2016
Stock-based compensation expense by: |  |  |  |  |
Costs of revenues | $ | 8,062 |  |  | $ | 5,338 |  |  | $ | 4,689 |
Research and development | 11,249 |  |  | 8,089 |  |  | 8,618 |
Selling, general and administrative | 43,473 |  |  | 37,516 |  |  | 31,743 |
Total stock-based compensation expense | $ | 62,784 |  |  | $ | 50,943 |  |  | $ | 45,050 |
Schedule of Stock-Based Compensation Capitalized as Inventory | The following table shows stock-based compensation capitalized as inventory as of the dates indicated below:
(In thousands) | As of June 30,
2018 |  | 2017
Inventory | $ | 4,580 |  |  | $ | 2,820 |
Schedule of Restricted Stock Units Activity | The following table shows the applicable number of restricted stock units and weighted-average grant date fair value for restricted stock units granted, vested and released, withheld for taxes, and forfeited during the fiscal year ended June 30, 2018 and restricted stock units outstanding as of June 30, 2018 and 2017:
Restricted Stock Units | Shares (In thousands) (1) |  | Weighted-Average Grant Date Fair Value
Outstanding restricted stock units as of June 30, 2017(2) | 2,241 |  |  | $ | 68.24 |
Granted(2) | 567 |  |  | $ | 95.95 |
Granted adjustments(3) | (17 | ) |  | $ | 74.26 |
Vested and released | (435 | ) |  | $ | 66.87 |
Withheld for taxes | (307 | ) |  | $ | 66.87 |
Forfeited | (35 | ) |  | $ | 67.33 |
Outstanding restricted stock units as of June 30, 2018(2) | 2,014 |  |  | $ | 76.50 |
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(1) | Share numbers reflect actual shares subject to awarded restricted stock units. As described above, under the terms of the 2004 Plan, the number of shares subject to each award reflected in this number is multiplied by either 1.8x or 2.0x (depending on the grant date of the award) to calculate the impact of the award on the share reserve under the 2004 Plan.
(2) | Includes restricted stock units granted to senior management with performance-based vesting criteria (in addition to service-based vesting criteria for any of such restricted stock units that are deemed to have been earned). As of June 30, 2018, it had not yet been determined the extent to which (if at all) the performance-based vesting criteria had been satisfied. Therefore, this line item includes all performance-based restricted stock units, reported at the maximum possible number of shares (i.e., 0.2 million shares for the fiscal year ended June 30, 2018, 42 thousand shares for fiscal year ended June 30, 2017 and 0.3 million shares for the fiscal year ended June 30, 2016) that may ultimately be issuable if all applicable performance-based criteria are achieved at their maximum and all applicable service-based criteria are fully satisfied.
(3) | Represents the portion of restricted stock units granted with performance based vesting criteria and reported at the actual number of shares issued upon achievement of the performance vesting criteria during the fiscal year ended June 30, 2018.
Schedule of Tax Benefits and Grant Date Fair Value for Restricted Stock Units | The following table shows the weighted-average grant date fair value per unit for the restricted stock units granted and the restricted stock units vested and tax benefits realized by the Company in connection with vested and released restricted stock units for the indicated periods:
(In thousands, except for weighted-average grant date fair value) | Year ended June 30,
2018 |  | 2017 |  | 2016
Weighted-average grant date fair value per unit | $ | 95.95 |  |  | $ | 78.83 |  |  | $ | 51.12 |
Grant date fair value of vested restricted stock units | $ | 49,606 |  |  | $ | 33,820 |  |  | $ | 51,992 |
Tax benefits realized by the Company in connection with vested and released restricted stock units | $ | 16,615 |  |  | $ | 15,829 |  |  | $ | 27,412 |
Schedule of Employee Stock Purchase Plan | The fair value of each purchase right under the ESPP was estimated on the date of grant using the Black-Scholes option valuation model and the straight-line attribution approach with the following weighted-average assumptions:
| Year ended June 30,
| 2018 |  | 2017 |  | 2016
Stock purchase plan: |  |  |  |  |
Expected stock price volatility | 28.7 | % |  | 23.4 | % |  | 25.4 | %
Risk-free interest rate | 1.1 | % |  | 0.5 | % |  | 0.2 | %
Dividend yield | 2.5 | % |  | 2.8 | % |  | 3.3 | %
Expected life (in years) | 0.50 |  |  | 0.50 |  |  | 0.50 |
Schedule of Cash Received, Number of Shares Purchased, Tax Benefits and Weighted-Average Fair Value for the ESPP | The following table shows total cash received from employees for the issuance of shares under the ESPP, the number of shares purchased by employees through the ESPP, the tax benefits realized by the Company in connection with the disqualifying dispositions of shares purchased under the ESPP and the weighted-average fair value per share for the indicated periods:
(In thousands, except for weighted-average fair value per share) | Year ended June 30,
2018 |  | 2017 |  | 2016
Total cash received from employees for the issuance of shares under the ESPP | $ | 61,452 |  |  | $ | 45,358 |  |  | $ | 38,295 |
Number of shares purchased by employees through the ESPP | 733 |  |  | 705 |  |  | 735 |
Tax benefits realized by the Company in connection with the disqualifying dispositions of shares purchased under the ESPP | $ | 1,664 |  |  | $ | 1,999 |  |  | $ | 2,194 |
Weighted-average fair value per share based on Black-Scholes model | $ | 21.95 |  |  | $ | 15.16 |  |  | $ | 12.48 |

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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