Investment in Equity Interests - Equity Method Investments (Details) - USD ($) $ in Millions |
3 Months Ended | |||
|---|---|---|---|---|
Aug. 04, 2018 |
Jul. 29, 2017 |
Nov. 03, 2018 |
Jul. 30, 2016 |
|
| Equity Method Investments and Joint Ventures [Abstract] | ||||
| Equity method investment | $ 11.1 | $ 10.1 | ||
| Increase in equity method investment during period | $ 0.5 | $ 0.5 | ||