Debt Obligations Letter or Credit Agreement (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Jan. 28, 2017 |
Jan. 30, 2016 |
|
| Debt Instrument [Line Items] | ||
| Letter of Credit Facility, Initiation Date | Aug. 02, 2013 | |
| Letter of Credit, Maximum Borrowing Capacity | $ 50.0 | |
| Letter of Credit, Expiration Date | Aug. 02, 2018 | |
| Collateral Requirement (Domestic) | 103.00% | |
| Letter of Credit Agreement, Cash Collateral Requirement (Foreign Currency) | 105.00% | |
| Letters of Credit Outstanding, Amount | $ 3.8 | $ 7.1 |
| Letters of credit outstanding, cash held on deposit | $ 4.7 | $ 7.7 |