Earnings per share (Tables)

12 Months Ended

Feb. 02, 2018

Earnings per share

Schedule of computation of earnings per share

	2017
			Weighted
	Net		Average	Per Share
	Income		Shares	Amount
Basic earnings per share	$	1,538,960	272,751	$	5.64
Effect of dilutive share-based awards			611
Diluted earnings per share	$	1,538,960	273,362	$	5.63

	2016
			Weighted
	Net		Average	Per Share
	Income		Shares	Amount
Basic earnings per share	$	1,251,133	281,317	$	4.45
Effect of dilutive share-based awards			944
Diluted earnings per share	$	1,251,133	282,261	$	4.43

	2015
			Weighted
	Net		Average	Per Share
	Income		Shares	Amount
Basic earnings per share	$	1,165,080	294,330	$	3.96
Effect of dilutive share-based awards			881
Diluted earnings per share	$	1,165,080	295,211	$	3.95