Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 27, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

The gross carrying amount and accumulated amortization of intangible assets were comprised of the following at the end of the respective period:

	September 27, 2019				December 28, 2018
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable:
Completed technology	$	10,456.9	$	3,621.0	$	10,467.9	$	2,980.6
License agreements	120.1		73.1		120.1		70.1
Trademarks	77.7		19.3		81.9		18.1
Customer relationships	—		—		27.5		14.1
Total	$	10,654.7	$	3,713.4	$	10,697.4	$	3,082.9
Non-Amortizable:
Trademarks	$	35.0			$	35.0
In-process research and development	519.8				633.3
Total	$	554.8			$	668.3

Intangible Asset Amortization Expense

Intangible asset amortization expense was as follows:

	Three Months Ended				Nine Months Ended
	September 27, 2019		September 28, 2018		September 27, 2019		September 28, 2018
Amortization expense	$	210.4	$	184.2	$	649.8	$	546.5

Schedule of Future Amortization Expense, Intangible Assets

The estimated aggregate amortization expense on intangible assets owned by the Company is expected to be as follows:

Remainder of Fiscal 2019	$	203.6
Fiscal 2020	754.2
Fiscal 2021	657.6
Fiscal 2022	585.1
Fiscal 2023	581.1