Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Income Statement [Abstract]
Net sales	$ 1,846,730	$ 1,559,563	$ 1,278,208
Cost of goods sold	1,172,764	994,478	814,795
Gross profit	673,966	565,085	463,413
Selling, general and administrative expenses	456,682	377,901	306,022
Operating income	217,284	187,184	157,391
Interest income and other, net	(4,285)	(4,623)	(1,458)
Income before income taxes	221,569	191,807	158,849
Income tax expense	46,513	42,162	56,398
Net income	$ 175,056	$ 149,645	$ 102,451
Basic (loss) income per common share (dollars per share)	$ 3.14	$ 2.68	$ 1.86
Diluted (loss) income per common share (dollars per share)	$ 3.12	$ 2.66	$ 1.84
Weighted average shares outstanding:
Basic shares	55,823,535	55,763,034	55,208,246
Diluted shares	56,166,167	56,220,864	55,561,472