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Acquired Developed Technology and Other Intangibles (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2018 | Apr. 01, 2017 | Mar. 31, 2018 | Apr. 01, 2017 | Jul. 01, 2017
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross Carrying Amount |  |  |  |  | $ 474.1
Accumulated Amortization | $ (473.6) |  | $ (473.6) |  | (443.0)
Net | 256.3 |  | 256.3 |  | 31.1
Gross Carrying Amount | 738.9 |  | 738.9 |  |
Net | 265.3 |  | 265.3 |  | 31.1
Cost of revenues | 6.2 | $ 3.6 | 14.4 | $ 11.1 |
Operating expenses | 4.5 | 3.5 | 11.0 | 10.4 |
Total amortization of intangible assets | 10.7 | $ 7.1 | 25.4 | $ 21.5 |
Estimated future amortization expense |  |  |  |  |
Remainder of 2018 | 23.5 |  | 23.5 |  |
2019 | 69.6 |  | 69.6 |  |
2020 | 61.5 |  | 61.5 |  |
2021 | 57.2 |  | 57.2 |  |
2022 | 29.3 |  | 29.3 |  |
Thereafter | 15.2 |  | 15.2 |  |
In-process research and development |  |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangible assets | 9.0 |  | 9.0 |  |
Acquired developed technology |  |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross Carrying Amount | 503.0 |  | 503.0 |  | 369.3
Accumulated Amortization | (368.8) |  | (368.8) |  | (352.0)
Net | 134.2 |  | 134.2 |  | 17.3
Customer relationships |  |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross Carrying Amount | 182.1 |  | 182.1 |  | 94.9
Accumulated Amortization | (92.9) |  | (92.9) |  | (81.3)
Net | 89.2 |  | 89.2 |  | 13.6
Other |  |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross Carrying Amount | 44.8 |  | 44.8 |  | 9.9
Accumulated Amortization | (11.9) |  | (11.9) |  | (9.7)
Net | $ 32.9 |  | $ 32.9 |  | $ 0.2

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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