Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019	Dec. 28, 2019
Summary of Significant Accounting Policies [Line Items]
Term of contract not recognized			12 months
Operating lease, liability	$ 139,014		$ 139,014		$ 129,229
Operating right-of-use assets, net	134,901		134,901		$ 124,726
Financing Receivable, Sale	86,300	$ 50,700	170,800	$ 83,200
Financing Receivable, Significant Sales, Transaction Fees	300	300	700	500
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent			(44,400)	11,200
Basic:
Net income	$ 65,439	$ 26,258	$ 150,949	$ 44,270
Shares (in shares)	162,154,000	164,935,000	162,814,000	164,895,000
Per Share (in usd per share)	$ 0.40	$ 0.16	$ 0.93	$ 0.27
Effect of dilutive securities: [Abstract]
Add: Option shares in the money and dilutive effect of non-vested stock (in shares)	5,882,000	5,801,000	6,315,000	5,964,000
Less: Pro forma treasury shares (in shares)	(2,037,000)	(2,304,000)	(2,166,000)	(2,313,000)
Diluted:
Net Income	$ 65,439	$ 26,258	$ 150,949	$ 44,270
Shares (in shares)	165,999,000	168,432,000	166,963,000	168,546,000
Per Share (in usd per share)	$ 0.39	$ 0.16	$ 0.90	$ 0.26
Stock Options [Member]
Antidilutive Securities [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	1,157,300	641,399	576,911	641,399
Non Vested Stock [Member]
Antidilutive Securities [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	626,783	556,418	540,776	471,661