Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 1,587,457	$ 1,362,753	$ 1,117,654	[1]
Other comprehensive income (loss):
Change in unrealized loss on investments, net of tax	(27)	(64)	(91)
Comprehensive income	$ 1,587,430	$ 1,362,689	$ 1,117,563

[1] As the result of the adoption of ASU 2016-18, Statement of Cash Flow (Topic 230): Restricted Cash, the prior year amounts were retrospectively adjusted to include restricted cash and cash equivalents. See Note A.