Fair Value Disclosures (Details) - USD ($) $ in Thousands |
Aug. 04, 2018 |
Feb. 03, 2018 |
Jul. 29, 2017 |
|---|---|---|---|
| Fair value disclosures | |||
| Subordinated debentures | $ 200,000 | $ 200,000 | $ 200,000 |
| Fair Value of Assets | |||
| Fair value disclosures | |||
| Long-term debt, including current portion, fair value | 396,000 | ||
| Subordinated debentures | 221,000 | ||
| Carrying value | |||
| Fair value disclosures | |||
| Long-term debt, including current portion | 366,000 | ||
| Subordinated debentures | $ 200,000 |