Income Taxes Income Taxes Net Operating Losses and Tax Credits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Summary of Net Operating Loss and Tax Credit Carryforwards
Tax Credit Carryforward, Amount	$ 14,984
Net Operating Loss Carryforwards	1,161,276
Deferred Tax Assets, Valuation Allowance	45,183	$ 42,175
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 3,008	$ (5,120)	$ 35,895
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	35.00%
Domestic Tax Authority
Summary of Net Operating Loss and Tax Credit Carryforwards
Tax Credit Carryforward, Amount	$ 10,429
State and Local Jurisdiction
Summary of Net Operating Loss and Tax Credit Carryforwards
Tax Credit Carryforward, Amount	563
Net Operating Loss Carryforwards	1,161,051
Foreign Tax Authority
Summary of Net Operating Loss and Tax Credit Carryforwards
Tax Credit Carryforward, Amount	3,992
Net Operating Loss Carryforwards	$ 225
Tax Act
Summary of Net Operating Loss and Tax Credit Carryforwards
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ (7,535)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%		35.00%