Restructuring and Other Charges - Summary of Cumulative Amounts Incurred for Restructuring and Other Activities Costs (Details) $ in Thousands	Oct. 02, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred to date	$ 801,924
Lease Abandonments and Impairments
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred to date	313,517
Voluntary and Involuntary Terminations
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred to date	128,969
Outside Services
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred to date	259,124
Other
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred to date	$ 100,314