Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 26, 2021

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:

	March 26, 2021				December 25, 2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortizable:
Completed technology	$	10,394.6	$	4,730.0	$	10,394.6	$	4,586.6
License agreements	120.1		79.1		120.1		78.1
Trademarks	77.7		24.4		77.7		23.5
Total	$	10,592.4	$	4,833.5	$	10,592.4	$	4,688.2
Non-Amortizable:
Trademarks	$	35.0			$	35.0
In-process research and development	180.8				245.3
Total	$	215.8			$	280.3

Intangible Asset Amortization Expense

Intangible asset amortization expense was as follows:

	Three Months Ended
	March 26, 2021		March 27, 2020
Amortization expense	$	145.3	$	197.6

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 2021	$	435.8
Fiscal 2022	581.1
Fiscal 2023	581.1
Fiscal 2024	581.1
Fiscal 2025	579.6