Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019	Dec. 28, 2019
Summary of Significant Accounting Policies [Line Items]
Term of contract not recognized			12 months
Operating lease, liability	$ 146,794		$ 146,794		$ 129,229
Operating right-of-use assets, net	142,269		142,269		$ 124,726
Financing Receivable, Sale	76,200	$ 53,100	247,000	$ 136,300
Financing Receivable, Significant Sales, Transaction Fees	200	300	900	800
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent			(6,500)	(36,500)
Basic:
Net income	$ 101,125	$ 25,721	$ 252,074	$ 69,991
Shares (in shares)	162,264,000	164,747,000	162,631,000	164,846,000
Per Share (in usd per share)	$ 0.62	$ 0.16	$ 1.55	$ 0.42
Effect of dilutive securities: [Abstract]
Add: Option shares in the money and dilutive effect of non-vested stock (in shares)	6,543,000	5,725,000	6,391,000	5,885,000
Less: Pro forma treasury shares (in shares)	(1,810,000)	(2,206,000)	(2,048,000)	(2,278,000)
Diluted:
Net Income	$ 101,125	$ 25,721	$ 252,074	$ 69,991
Shares (in shares)	166,997,000	168,266,000	166,974,000	168,453,000
Per Share (in usd per share)	$ 0.61	$ 0.15	$ 1.51	$ 0.42
Stock Options [Member]
Antidilutive Securities [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	550,934	839,979	550,934	641,399
Non Vested Stock [Member]
Antidilutive Securities [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	342,003	462,841	474,520	557,900