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Stockholders' Equity - Stock-based Compensation (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2016 USD ($) $ / shares shares | Dec. 31, 2015 USD ($) | Dec. 31, 2016 USD ($) $ / shares item shares | Dec. 31, 2015 USD ($) shares
Stock-based Compensation |  |  |  |
Number of share-based employee compensation plans | item |  |  | 2 |
Number of share-based employee compensation plans assumed from the acquisition of AS&E | item |  |  | 2 |
Stock-based compensation expense before taxes | $ | $ 8,229 | $ 4,289 | $ 14,059 | $ 8,754
Less: related income tax benefit | $ | (3,206) | (1,635) | (5,450) | (3,334)
Stock-based compensation expense, net of estimated taxes | $ | 5,023 | 2,654 | $ 8,609 | $ 5,420
Weighted-average period |  |  | 1 year 10 months 24 days |
Stock Options |  |  |  |
Stock-based Compensation |  |  |  |
Unrecognized compensation cost | $ | $ 800 |  | $ 800 |
Number of Options |  |  |  |
Outstanding at the beginning of the period (in shares) |  |  | 934,112 |
Granted (in shares) |  |  | 15,591 |
Exercised (in shares) |  |  | (95,353) |
Expired or forfeited (in shares) |  |  | (2,287) |
Outstanding at the end of the period (in shares) | 852,063 |  | 852,063 |
Exercisable at the end of the period (in shares) | 803,355 |  | 803,355 |
Weighted-Average Exercise Price |  |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ / shares |  |  | $ 28.67 |
Granted (in dollars per share) | $ / shares |  |  | 73.63 |
Exercised (in dollars per share) | $ / shares |  |  | 21.71 |
Expired or forfeited (in dollars per share) | $ / shares |  |  | 71.42 |
Outstanding at the end of the period (in dollars per share) | $ / shares | $ 30.16 |  | 30.16 |
Exercisable at the end of the period (in dollars per share) | $ / shares | $ 27.62 |  | $ 27.62 |
Weighted-Average Remaining Contractual Term |  |  |  |
Outstanding at the end of the period |  |  | 3 years 8 months 12 days |
Exercisable at the end of the period |  |  | 3 years 4 months 24 days |
Aggregate Intrinsic Value |  |  |  |
Outstanding at the end of the period | $ | $ 39,161 |  | $ 39,161 |
Exercisable at the end of the period | $ | 38,960 |  | 38,960 |
Restricted stock and RSU |  |  |  |
Stock-based Compensation |  |  |  |
Unrecognized compensation cost | $ | $ 25,800 |  | $ 25,800 |
Shares |  |  |  |
Nonvested at the beginning of the period (in shares) |  |  | 530,498 |
Granted (in shares) |  |  | 373,709 |
Vested (in shares) |  |  | (294,049) |
Net replacement RSUs |  |  | 58,939 |
Forfeited (in shares) |  |  | (17,229) |
Nonvested at the end of the period (in shares) | 651,868 |  | 651,868 |
Weighted-Average Fair Value |  |  |  |
Nonvested at the beginning of the period (in dollars per share) | $ / shares |  |  | $ 67.94 |
Granted (in dollars per share) | $ / shares |  |  | 65.47 |
Vested (in dollars per share) | $ / shares |  |  | $ 69.42 |
Net replacement RSUs | $ / shares |  |  | 67.76 |
Forfeited (in dollars per share) | $ / shares |  |  | $ 68.04 |
Nonvested at the end of the period (in dollars per share) | $ / shares | $ 65.84 |  | $ 65.84 |
Performance-based restricted stock units |  |  |  |
Shares |  |  |  |
Granted (in shares) |  |  | 155,488 | 139,300
Performance-based restricted stock units | Minimum |  |  |  |
Weighted-Average Fair Value |  |  |  |
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock |  |  | 0.00% |
Performance-based restricted stock units | Maximum |  |  |  |
Weighted-Average Fair Value |  |  |  |
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock |  |  | 250.00% |
2012 Plan |  |  |  |
Weighted-Average Fair Value |  |  |  |
Securities available for grant | 1,300,000 |  | 1,300,000 |
2012 Plan | Restricted stock and RSU |  |  |  |
Weighted-Average Fair Value |  |  |  |
Number of shares available for grant reduced for each award granted |  |  | 1.87 |
Number of shares available for grant increased for each award forfeited and returned |  |  | 1.87 |
2005 AS&E Plan and the 2014 AS&E Plan | RSU |  |  |  |
Number of Options |  |  |  |
Granted (in shares) |  |  | 0 |
Cost of goods sold |  |  |  |
Stock-based Compensation |  |  |  |
Stock-based compensation expense before taxes | $ | $ 404 | 305 | $ 699 | $ 597
Selling, general and administrative |  |  |  |
Stock-based Compensation |  |  |  |
Stock-based compensation expense before taxes | $ | 5,222 | 3,911 | 10,282 | 8,019
Research and development |  |  |  |
Stock-based Compensation |  |  |  |
Stock-based compensation expense before taxes | $ | 121 | $ 73 | 176 | $ 138
Restructuring |  |  |  |
Stock-based Compensation |  |  |  |
Stock-based compensation expense before taxes | $ | $ 2,482 |  | $ 2,902 |

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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=6415400&loc=d3e5070-113901 + Details
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