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Acquired Developed Technology and Other Intangibles (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2016 | Jan. 02, 2016 | Dec. 31, 2016 | Jan. 02, 2016 | Jul. 02, 2016
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross carrying amount of finite lived intangibles | $ 470.8 |  | $ 470.8 |  | $ 475.7
Accumulated Amortization | (426.4) |  | (426.4) |  | (415.8)
Net carrying amount of finite lived intangibles | 44.4 |  | 44.4 |  | 59.9
Amortization of acquired developed technologies | 3.7 | $ 4.6 | 7.5 | $ 8.9 |
Amortization of other intangibles | 3.4 | 3.7 | 6.9 | 7.5 |
Total amortization of intangible assets | 7.1 | $ 8.3 | 14.4 | $ 16.4 |
Estimated future amortization expense |  |  |  |  |
Remainder of 2017 | 13.6 |  | 13.6 |  |
2018 | 19.8 |  | 19.8 |  |
2019 | 9.3 |  | 9.3 |  |
2020 | 1.4 |  | 1.4 |  |
2021 | 0.3 |  | 0.3 |  |
Thereafter | 0.0 |  | 0.0 |  |
Total amortization | 44.4 |  | 44.4 |  |
Acquired developed technology |  |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross carrying amount of finite lived intangibles | 365.5 |  | 365.5 |  | 369.3
Accumulated Amortization | (341.8) |  | (341.8) |  | (337.3)
Net carrying amount of finite lived intangibles | 23.7 |  | 23.7 |  | 32.0
Customer relationships |  |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross carrying amount of finite lived intangibles | 94.5 |  | 94.5 |  | 95.6
Accumulated Amortization | (74.1) |  | (74.1) |  | (68.0)
Net carrying amount of finite lived intangibles | 20.4 |  | 20.4 |  | 27.6
Other |  |  |  |  |
Acquired developed technology, customer relationships and other intangibles |  |  |  |  |
Gross carrying amount of finite lived intangibles | 10.8 |  | 10.8 |  | 10.8
Accumulated Amortization | (10.5) |  | (10.5) |  | (10.5)
Net carrying amount of finite lived intangibles | $ 0.3 |  | $ 0.3 |  | $ 0.3

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