Stockholders' Equity (Stock Options Granted) (Details)	104 Months Ended
	Dec. 31, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	13,104,021
Options Outstanding (in shares)	5,914,757
Options Exercisable (in shares)	1,885,241
January 2, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	902,263
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 38.00
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 37.230
Options Outstanding (in shares)	874,112
Options Exercisable (in shares)	24,964
January 2, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	1,316,924
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 26.00
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 25.705
Options Outstanding (in shares)	1,221,248
Options Exercisable (in shares)	25,010
January 2, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	1,087,936
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 27.50
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 27.270
Options Outstanding (in shares)	886,679
Options Exercisable (in shares)	270,457
January 3, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	1,529,578
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 23.50
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 23.475
Options Outstanding (in shares)	988,415
Options Exercisable (in shares)	378,747
April 19, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	1,690,880
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 23.00
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 22.870
Options Outstanding (in shares)	930,043
Options Exercisable (in shares)	589,137
April 21, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	1,786,440
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 21.00
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 20.630
Options Outstanding (in shares)	596,622
Options Exercisable (in shares)	350,526
April 22, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	1,910,000
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 28.00
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 25.265
Options Outstanding (in shares)	337,550
Options Exercisable (in shares)	185,050
April 16, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	410,000
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 27.00
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 24.625
Options Outstanding (in shares)	32,340
Options Exercisable (in shares)	13,602
April 17, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	2,470,000
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 27.00
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 24.505
Options Outstanding (in shares)	47,748
Options Exercisable (in shares)	47,748