Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 25, 2020

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 each period:

	September 25, 2020				December 27, 2019
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable:
Completed technology	$	10,394.6	$	4,417.0	$	10,456.9	$	3,822.8
License agreements	120.1		77.1		120.1		74.1
Trademarks	77.7		22.7		77.7		20.1
Total	$	10,592.4	$	4,516.8	$	10,654.7	$	3,917.0
Non-Amortizable:
Trademarks	$	35.0			$	35.0
In-process research and development	245.3				245.3
Total	$	280.3			$	280.3

Intangible Asset Amortization Expense

Intangible asset amortization expense was as follows:

	Three Months Ended				Nine Months Ended
	September 25, 2020		September 27, 2019		September 25, 2020		September 27, 2019
Amortization expense	$	210.6	$	210.4	$	599.8	$	649.8

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 2020	$	171.4
Fiscal 2021	581.1
Fiscal 2022	581.1
Fiscal 2023	581.1
Fiscal 2024	581.1