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Share-Based Compensation (Tables) | 6 Months Ended
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Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Share-Based Compensation and Related Tax Benefit Recognized in Condensed Consolidated Statements of Income | Share-based compensation and the related tax benefit recognized in our condensed consolidated statements of income were as follows (in millions):
|  | Three Months Ended |  |  | Six Months Ended |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Cost of revenue |  | $ | 0.7 |  |  | $ | 0.6 |  |  | $ | 1.4 |  |  | $ | 1.1 |
Research and development |  |  | 9.8 |  |  |  | 8.5 |  |  |  | 18.9 |  |  |  | 16.3 |
Selling, general, and administrative |  |  | 7.3 |  |  |  | 6.5 |  |  |  | 14.0 |  |  |  | 12.8 |
Total |  | $ | 17.8 |  |  | $ | 15.6 |  |  | $ | 34.3 |  |  | $ | 30.2 |
Income tax benefit on share-based compensation |  | $ | (1.3 | ) |  | $ | 4.3 |  |  | $ | 2.7 |  |  | $ | 8.0 |
Balance of Outstanding and Exercisable Stock Options | Stock option activity, including stock options granted, exercised, and forfeited, weighted average exercise prices for stock options outstanding and exercisable, and the aggregate intrinsic value were as follows:
|  | Stock |  |  | Weighted |  |  | Aggregate |
|  | Option |  |  | Average |  |  | Intrinsic |
|  | Awards |  |  | Exercise |  |  | Value |
|  | Outstanding |  |  | Price |  |  | (in millions) |
Balance as of June 30, 2017 |  |  | 2,490,168 |  |  | $ | 49.20 |  |  |  |  |
Granted |  |  | 61,825 |  |  |  | 45.32 |  |  |  |  |
Exercised |  |  | (85,126 | ) |  |  | 27.85 |  |  |  |  |
Forfeited |  |  | (79,653 | ) |  |  | 67.02 |  |  |  |  |
Balance as of December 31, 2017 |  |  | 2,387,214 |  |  |  | 49.26 |  |  | $ | 14.0 |
Exercisable at December 31, 2017 |  |  | 1,943,715 |  |  |  | 46.64 |  |  | $ | 14.0 |
Shares Purchased, Weighted Average Purchase Price, Cash Received, and Aggregate Intrinsic Value for ESPP | Shares purchased, weighted average purchase price, cash received, and the aggregate intrinsic value for employee stock purchase plan purchases during the six-month period ended December 31, 2017 were as follows (in millions, except for shares purchased and weighted average price):
Shares purchased |  |  | 210,798 |
Weighted average purchase price |  | $ | 32.17 |
Cash received |  | $ | 6.8 |
Aggregate intrinsic value |  | $ | 1.2 |
Deferred stock units outstanding [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Balance and Aggregate Intrinsic Value of Stock Units | DSU activity, including DSUs granted, delivered, and forfeited, and the balance and aggregate intrinsic value of DSUs were as follows:
|  |  |  |  |  | Aggregate |
|  | DSU |  |  | Intrinsic |
|  | Awards |  |  | Value |
|  | Outstanding |  |  | (in millions) |
Balance as of June 30, 2017 |  |  | 1,320,798 |  |  |  |  |
Granted |  |  | 1,230,511 |  |  |  |  |
Delivered |  |  | (450,099 | ) |  |  |  |
Forfeited |  |  | (101,645 | ) |  |  |  |
Balance as of December 31, 2017 |  |  | 1,999,565 |  |  | $ | 79.9 |
Market stock units outstanding [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Balance and Aggregate Intrinsic Value of Stock Units | During the six months ended December 31, 2017, MSU activity, including MSUs granted, delivered, and forfeited, and the balance and aggregate intrinsic value of MSUs as of December 31, 2017 was as follows:
|  |  |  |  |  | Aggregate |
|  | MSU |  |  | Intrinsic |
|  | Awards |  |  | Value |
|  | Outstanding |  |  | (in millions) |
Balance as of June 30, 2017 |  |  | 158,596 |  |  |  |  |
Granted |  |  | 300,071 |  |  |  |  |
Performance adjustment |  |  | (68,003 | ) |  |  |  |
Delivered |  |  | - |  |  |  |  |
Forfeited |  |  | (8,733 | ) |  |  |  |
Balance as of December 31, 2017 |  |  | 381,931 |  |  | $ | 15.3 |

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- Definition Tabular disclosure for share-based compensation plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (c)(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 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -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 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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