Stockholders' Equity Share Repurchase Programs (Details) - 2015 Share Repurchase Program [Member] - USD ($) shares in Millions |
6 Months Ended | |
|---|---|---|
Jul. 30, 2016 |
Dec. 09, 2015 |
|
| Equity, Class of Treasury Stock [Line Items] | ||
| Stock Repurchase Program, Authorized Amount | $ 100,000,000.0 | |
| Treasury Stock, Shares, Acquired | 3.2 | |
| Treasury Stock, Value, Acquired, Cost Method | $ 51,500,000 | |
| Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 20,000,000 |