Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Details of Quarterly financial information
Net sales	$ 675,491	$ 539,828	$ 487,015	$ 486,219	$ 689,392	$ 535,412	$ 436,276	$ 466,467	$ 2,188,553	$ 2,127,547	$ 2,020,831
Gross margin	315,663	261,918	231,469	238,006	317,328	258,776	210,503	224,776	1,047,056	1,011,383
Earnings (loss) from continuing operations before income taxes	49,986	25,580	1	2,692	46,598	26,588	(7,004)	2,807	78,259	68,989	112,758
Earnings (loss) from continuing operations	29,699	19,694	(25)	1,856	48,424	(6,835)	(6,498)	1,617	51,224	36,708	72,882
Net earnings (loss)	$ (63,971)	$ 14,387	$ (15)	$ (2,331)	$ 56,045	$ (164,821)	$ (3,948)	$ 885	$ (51,930)	$ (111,839)	$ 97,431
Diluted earnings (loss) per common share:
Continuing operations (in dollars per share)	$ 1.53	$ 1.00	$ 0.00	$ 0.10	$ 2.51	$ (0.35)	$ (0.34)	$ 0.08	$ 2.63	$ 1.90	$ 3.61
Net earnings (loss) (in dollars per share)	$ (3.29)	$ 0.73	$ 0.00	$ (0.12)	$ 2.90	$ (8.56)	$ (0.21)	$ 0.05	$ (2.66)	$ (5.80)	$ 4.83