Benefit Plans (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 04, 2018 |
Jul. 29, 2017 |
Aug. 04, 2018 |
Jul. 29, 2017 |
|
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Employer contributions to pension plan | $ 1,300 | $ 2,600 | ||
| Components of net periodic benefit costs: | ||||
| Service cost | 922 | $ 873 | 1,844 | $ 1,746 |
| Interest cost | 1,783 | 1,808 | 3,566 | 3,615 |
| Net actuarial loss | 132 | 0 | 264 | 0 |
| Net periodic benefit costs | 2,837 | 2,681 | 5,674 | $ 5,361 |
| Defined Benefit Plan, Expected Future Benefit Payment, Remainder of Year | 2,535 | 2,535 | ||
| Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | ||||
| Components of net periodic benefit costs: | ||||
| Net actuarial loss | $ 132 | $ 0 | $ 264 | |