Financial Information Related to Funded Defined Benefit Pension Plan and Unfunded Supplemental Pension Plan (Detail) - USD ($) $ in Thousands		12 Months Ended
	Oct. 21, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016	Feb. 03, 2018	Jan. 28, 2017
Defined Benefit Plan Disclosure [Line Items]
Employer contribution		$ 105,000	$ 54,600	$ 55,700
Benefits paid	$ (103,200)
Net (asset) liability recognized on consolidated balance sheets					$ 77,600	$ 178,400
Funded Plan
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation at beginning of year		1,269,010	1,213,000
Service cost		46,845	45,440	50,080
Interest cost		55,301	56,094	51,710
Actuarial losses		67,232	91,114
Settlements			(103,197)
Benefits paid		(30,993)	(28,751)
Expenses paid		(3,306)	(4,690)
Projected benefit obligation at end of year		1,404,089	1,269,010	1,213,000
Accumulated benefit obligation at end of year					1,277,216	1,151,151
Fair value of plan assets at beginning of year		1,176,960	1,119,842
Actual return on plan assets		174,870	143,756
Employer contribution		100,000	50,000
Settlements			(103,197)
Benefits paid		(30,993)	(28,751)
Expenses paid		(3,306)	(4,690)
Fair value of plan assets at end of year		1,417,531	1,176,960	1,119,842
Projected benefit obligation at end of year		1,404,089	1,213,000	1,213,000	1,404,089	1,269,010
Fair value of plan assets at end of year		1,417,531	1,119,842	1,119,842	1,417,531	1,176,960
Funded status - excess (asset) obligation					(13,442)	92,050
Net (asset) liability recognized on consolidated balance sheets					(13,442)	92,050
Prior service cost					1,935	2,313
Accumulated actuarial losses					243,761	303,612
Amounts included in accumulated other comprehensive income (loss)					245,696	305,925
Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation at beginning of year		86,309	84,967
Service cost		1,888	1,835	1,562
Interest cost		3,316	3,391	3,033
Actuarial losses		4,580	740
Benefits paid		(5,046)	(4,624)
Projected benefit obligation at end of year		91,047	86,309	84,967
Accumulated benefit obligation at end of year					77,668	71,273
Employer contribution		5,046	4,624
Benefits paid		(5,046)	(4,624)
Projected benefit obligation at end of year		$ 91,047	$ 84,967	$ 84,967	91,047	86,309
Funded status - excess (asset) obligation					91,047	86,309
Net (asset) liability recognized on consolidated balance sheets					91,047	86,309
Accumulated actuarial losses					28,164	26,438
Amounts included in accumulated other comprehensive income (loss)					$ 28,164	$ 26,438