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Description of the Business and Basis of Presentation Adoption of New Accounting Procurements 2016-02 (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets		$ 1,262,449			$ 0
Operating leases, liabilities		1,444,753
Sale-leaseback financing obligations		0			19,562
Property, fixtures and equipment, net		1,050,002			$ 1,115,929
Recognition of deferred gain on sale-leaseback transactions	$ 3,100	$ 0	$ 9,237
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets				$ 1,300,000
Operating leases, liabilities				1,500,000
Deferred gain on sale-leaseback transactions, net				190,400
Deferred tax assets, net of valuation allowance, noncurrent				49,200
Sale-leaseback financing obligations				19,600
Property, fixtures and equipment, net				$ 16,100