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Acquired Developed Technology and Other Intangibles - Estimated Future Amortization (Details) $ in Millions	Jun. 30, 2018 USD ($)
Acquired Developed Technology and Other Intangibles [Abstract]
2019	$ 68.5
2020	59.6
2021	55.2
2022	28.4
Thereafter	14.4
Total amortization	$ 226.1

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Acquired Developed Technology and Other Intangibles [Abstract]

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Finite-Lived Intangible Assets, Amortization Expense, Excluding Research And Development Expense And Goodwill, Next Twelve Months

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Finite-Lived Intangible Assets, Amortization Expense, Excluding Research And Development Expense And Goodwill, Thereafter

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Finite-Lived Intangible Assets, Amortization Expense, Excluding Research And Development Expense And Goodwill, Year Four

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Finite-Lived Intangible Assets, Amortization Expense, Excluding Research And Development Expense And Goodwill, Year Three

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Finite-Lived Intangible Assets, Amortization Expense, Excluding Research And Development Expense And Goodwill, Year Two

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Sum of the carrying amounts of all intangible assets, excluding goodwill and research and development intangible assets not amortized, as of the balance sheet date, net of accumulated amortization and impairment charges.

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