Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Computations of Basic and Diluted Net Earnings Per Share

	Three Months (13 Weeks) Ended
	March 31, 2018			April 1, 2017
Basic net earnings per share:
Basic net earnings	$	354,179		$	356,899
Earnings allocated to participating securities		(1,181	)		(1,192	)
Net earnings available to common stockholders	$	352,998		$	355,707
Average shares outstanding		319,421			320,224
Basic net earnings per share	$	1.11		$	1.11
Diluted net earnings per share:
Diluted net earnings	$	354,179		$	356,899
Earnings allocated to participating securities		(1,177	)		(1,188	)
Net earnings available to common stockholders	$	353,002		$	355,711
Diluted average shares outstanding:
Basic shares outstanding		319,421			320,224
Dilutive effect of stock options and other		1,053			922
		320,474			321,146
Diluted net earnings per share	$	1.10		$	1.11