Summary of Significant Accounting Policies New Accounting Standards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
New Accounting Pronouncements or Change in Accounting Principle
Change in net cash provided by (used in) investing activities		$ 362,911	$ (92,246)	$ 107,078
Change in net cash provided by operating activities		224,228	238,793	193,825
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents		$ 486,512	212,824	275,949	$ 384,980
Restricted cash guidance
New Accounting Pronouncements or Change in Accounting Principle
Change in net cash provided by (used in) investing activities			(24,935)	14,971
Change in net cash provided by operating activities			(12,847)	4,891
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents			$ 41,377	$ 77,709	$ 57,764
Lease guidance | Scenario, Forecast
New Accounting Pronouncements or Change in Accounting Principle
Operating lease, liability	$ 1,000,000
Operating lease, right-of-use asset	1,000,000
Effect on future earnings, amount	40,000
Effect on future earnings, offset amount	$ 40,000