Summary of Significant Accounting Policies Prepaid expenses and OCA (Details) - USD ($) $ in Millions |
May 05, 2018 |
Feb. 03, 2018 |
Apr. 29, 2017 |
|---|---|---|---|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||
| Prepaid Expense | $ 19.8 | $ 17.8 | $ 13.5 |
| Other Assets, Current | $ 17.6 | $ 27.6 | $ 15.8 |