Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Results (Unaudited)

Quarterly operating data (unaudited)

	Fiscal 2019
	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
Sales	$	2,410,608	$	2,589,874	$	2,666,528	$	2,482,975
Gross profit		1,279,290		1,368,287		1,422,530		1,324,584
Operating income		444,786		498,074		536,363		441,503
Net income		321,152		353,681		391,293		324,916
Earnings per share – basic (1)	$	4.09	$	4.56	$	5.14	$	4.29
Earnings per share – assuming dilution (1)	$	4.05	$	4.51	$	5.08	$	4.25

	Fiscal 2018
	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
Sales	$	2,282,681	$	2,456,073	$	2,482,717	$	2,314,957
Gross profit		1,201,258		1,288,638		1,315,755		1,234,315
Operating income		422,846		479,150		485,148		428,040
Net income		304,906		353,073		366,151		300,357
Earnings per share – basic (1)	$	3.65	$	4.32	$	4.54	$	3.76
Earnings per share – assuming dilution (1)	$	3.61	$	4.28	$	4.50	$	3.72

Earnings per share amounts are computed independently for each quarter and annual period.  The quarterly earnings per share amounts may not sum to equal the full-year earnings per share amount