Derivative Financial Instruments - Information about Gains (Losses) Associated with Derivative Financial Instruments (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
May 05, 2018 |
Apr. 29, 2017 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Amount of Gains (Losses) in Statements of Operations | $ 0 | $ 538 |
| Cash flow hedges | Forward contracts | Research and development | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Amount of Gains (Losses) in Statements of Operations | 0 | 475 |
| Cash flow hedges | Forward contracts | Selling, general and administrative | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Amount of Gains (Losses) in Statements of Operations | $ 0 | $ 63 |