Restructuring Activities (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 30, 2023 USD ($)	Dec. 30, 2023 USD ($)
Restructuring Activities
Workforce reduction (as a percent)	10.00%
Research and development
Restructuring Activities
Employee separation costs and Non-cash charges for the accelerated vesting of certain equity awards		$ 6.0
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]		Operating Expenses
Selling, general and administrative
Restructuring Activities
Employee separation costs and Non-cash charges for the accelerated vesting of certain equity awards		$ 3.0
Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]		Operating Expenses
Employee separation costs
Restructuring Activities
Employee separation costs and Non-cash charges for the accelerated vesting of certain equity awards		$ 9.1
Employee separation payments made		5.0
Accrued employee separation costs	$ 4.0	4.0
Non-cash charges for the accelerated vesting of certain equity awards
Restructuring Activities
Employee separation costs and Non-cash charges for the accelerated vesting of certain equity awards		$ 0.6