Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical)

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Statement of Stockholders' Equity [Abstract]      
Other comprehensive loss, income tax benefit (expense) $ 0.0 $ 0.0 $ 0.0
Tax benefit realized from exercise of stock options 0.7 1.4 1.6
Tax benefit from stock-based compensation expense $ 12.1 $ 3.1 $ 8.2