CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Jan. 30, 2016 |
Jan. 31, 2015 |
|
| Statement of Stockholders' Equity [Abstract] | ||
| Tax benefit from exercise of stock options | $ 0.7 | $ 1.4 |
| Tax benefit from stock-based compensation expense | $ 12.1 | $ 3.1 |
| X | ||||||||||
- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|