CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Common Stock Common Stock	Common Stock Class B Common Stock
BALANCE at Jan. 30, 2016	$ 1,789,187	$ 1,063,705	$ 1,737,214	$ (179)	$ (1,012,671)	$ 869	$ 249
BALANCE (in shares) at Jan. 30, 2016						86,850,630	24,900,870
Increase (Decrease) in Stockholders' Equity
Exchange of Class B common stock for common stock	0					$ 2	$ (2)
Exchange of Class B common stock for common stock (in shares)						190,000	(190,000)
Exercise of stock options	31,089	31,076				$ 13
Exercise of stock options (in shares)						1,421,389
Restricted stock vested	0	(4)				$ 4
Restricted stock vested (in shares)						438,160
Minimum tax withholding requirements	(7,060)	(7,059)				$ (1)
Minimum tax withholding requirements (in shares)						(149,347)
Net income	287,396		287,396
Stock-based compensation	33,602	33,602
Total tax benefit from exercise of stock options	9,510	9,510
Foreign currency translation adjustment, net of taxes of $13, $30, and $28 for the year ended 2018, 2017 and 2016, respectively	47			47
Purchase of shares for treasury	(145,738)				(145,707)	$ (31)
Purchase of shares for treasury (in shares)						(3,130,954)
Cash dividends declared per common share of $0.90, $0.68, and $0.605 for the year ended 2018, 2017 and 2016, respectively	(68,544)		(68,544)
BALANCE at Jan. 28, 2017	1,929,489	1,130,830	1,956,066	(132)	(1,158,378)	$ 856	$ 247
BALANCE (in shares) at Jan. 28, 2017						85,619,878	24,710,870
Increase (Decrease) in Stockholders' Equity
Adjustment for cumulative effect from change in accounting principle | ASU 2016-16	(1,744)		(1,744)
Exercise of stock options	16,558	16,552				$ 6
Exercise of stock options (in shares)						582,022
Restricted stock vested	0	(3)				$ 3
Restricted stock vested (in shares)						359,956
Minimum tax withholding requirements	(5,841)	(5,840)				$ (1)
Minimum tax withholding requirements (in shares)						(121,681)
Net income	323,445		323,445
Stock-based compensation	36,239	36,239
Foreign currency translation adjustment, net of taxes of $13, $30, and $28 for the year ended 2018, 2017 and 2016, respectively	54			54
Purchase of shares for treasury	$ (284,583)				(284,502)	$ (81)
Purchase of shares for treasury (in shares)	(8,100,000)					(8,122,277)
Cash dividends declared per common share of $0.90, $0.68, and $0.605 for the year ended 2018, 2017 and 2016, respectively	$ (72,116)		(72,116)
BALANCE at Feb. 03, 2018	1,941,501	1,177,778	2,205,651	(78)	(1,442,880)	$ 783	$ 247
BALANCE (in shares) at Feb. 03, 2018						78,317,898	24,710,870
Increase (Decrease) in Stockholders' Equity
Adjustment for cumulative effect from change in accounting principle | ASU 2014-09	20,488		20,488
Exchange of Class B common stock for common stock	0					$ 2	$ (2)
Exchange of Class B common stock for common stock (in shares)						169,747	(169,747)
Restricted stock vested	0	(5)				$ 5
Restricted stock vested (in shares)						549,293
Minimum tax withholding requirements	(5,428)	(5,427)				$ (1)
Minimum tax withholding requirements (in shares)						(160,276)
Net income	319,864		319,864
Stock-based compensation	41,941	41,941
Foreign currency translation adjustment, net of taxes of $13, $30, and $28 for the year ended 2018, 2017 and 2016, respectively	(42)			(42)
Purchase of shares for treasury	$ (323,352)				(323,256)	$ (96)
Purchase of shares for treasury (in shares)	(9,600,000)					(9,571,788)
Cash dividends declared per common share of $0.90, $0.68, and $0.605 for the year ended 2018, 2017 and 2016, respectively	$ (90,811)		(90,811)
BALANCE at Feb. 02, 2019	$ 1,904,161	$ 1,214,287	$ 2,455,192	$ (120)	$ (1,766,136)	$ 693	$ 245
BALANCE (in shares) at Feb. 02, 2019						69,304,874	24,541,123