Benefit Plans (Details) - USD ($)	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Defined Benefit Plan Disclosure [Line Items]
Liability, Defined Benefit Plan, Current	$ 5.0
Employee contribution limit per calendar year	18,000
Employee contribution limit per calendar year for employees attaining at least 50 years of age	$ 24,000
Requisite age of eligible employees for additional contribution	50 years
Employee contribution limit per calendar year (as a percent of eligible pay)	75.00%
Requisite service period of employee, to receive a employer's matching contribution	1 year
Employee's contribution matched by employer (as a percent of elective deferrals)	6.00%
Percentage of elective deferrals, matched 100% by employer	1.00%
Employer match of employee contributions of first 1% of elective deferrals (as a percent)	100.00%
Percentage of elective deferrals, matched 50% by employer	5.00%
Employer match of employee contributions of next 5% of elective deferrals (as a percent)	50.00%
Vesting period for employer's contribution	2 years
Benefit plan expense	$ 18,000,000
Change in benefit obligation:
Benefit obligation at beginning of year	183,617,000	$ 184,810,000
Service cost	3,494,000	3,934,000	$ 3,932,000
Interest cost	7,229,000	7,678,000	6,736,000
Actuarial loss (gain)	5,701,000	(8,463,000)
Benefit obligation at end of year	194,733,000	183,617,000	184,810,000
Change in Pension Plan assets:
Fair value of Pension Plan assets at beginning of year	0	0
Employer contribution	5,308,000	4,342,000
Benefits paid	(5,308,000)	(4,342,000)
Fair value of Pension Plan assets at end of year	0	0	$ 0
Funded status (Pension Plan assets less benefit obligation)	(194,733,000)	(183,617,000)
Amounts recognized in the balance sheets:
Accrued benefit liability	(194,733,000)	(183,617,000)
Net amount recognized	(194,733,000)	(183,617,000)
Net actuarial loss	23,702,000	18,001,000
Prior service cost	0	0
Net amount recognized	23,702,000	18,001,000
Accumulated benefit obligation at end of year	$ (193,824,000)	$ (182,071,000)