Stock-Based Compensation - Summary of Company's Stock Option, Performance Share Unit and Restricted Share Activity (Detail) (USD $) | 9 Months Ended |
In Thousands, except Per Share data, unless otherwise specified | Nov. 02, 2014 |
Stock Options [Member] | ' |
Number | ' |
Number of Stock Options, Beginning Balance | 669 |
Number of Stock Options, Granted | 437 |
Number of Stock Options, Exercised | 138 |
Number of Stock Options, Forfeited | 59 |
Number of Stock Options, Ending Balance | 909 |
Number of Stock Options, Exercisable | 368 |
Weighted-Average Exercise Price | ' |
Weighted-Average Exercise Price, Options, Beginning Balance (in dollars per share) | $30.76 |
Weighted-Average Exercise Price, Options, Granted (in dollars per share) | $48.03 |
Weighted-Average Exercise Price, Options, Exercised (in dollars per share) | $17.80 |
Weighted-Average Exercise Price, Options, Forfeited (in dollars per share) | $60.89 |
Weighted-Average Exercise Price, Options, Ending Balance (in dollars per share) | $39.06 |
Weighted-Average Exercise Price, Options, Exercisable (in dollars per share) | $22.67 |
Performance-Based Restricted Stock Units [Member] | ' |
Number of Performance-Based Restricted Stock Units and Restricted Shares | ' |
Number of Stock, Beginning Balance | 428 |
Number of Stock, Granted | 315 |
Number of Stock, Exercised | 190 |
Number of Stock, Forfeited | 63 |
Number of Stock, Ending Balance | 490 |
Weighted-Average Grant Date Fair Value | ' |
Weighted-Average Grant Date Fair Value, Beginning Balance (in dollars per share) | $57.08 |
Weighted-Average Grant Date Fair Value, Granted (in dollars per share) | $49.59 |
Weighted-Average Grant Date Fair Value, Exercised (in dollars per share) | $40.66 |
Weighted-Average Grant Date Fair Value, Forfeited (in dollars per share) | $61.21 |
Weighted-Average Grant Date Fair Value, Ending Balance (in dollars per share) | $58.07 |
Restricted Stock [Member] | ' |
Number of Performance-Based Restricted Stock Units and Restricted Shares | ' |
Number of Stock, Beginning Balance | 57 |
Number of Stock, Granted | 34 |
Number of Stock, Exercised | 15 |
Number of Stock, Forfeited | 0 |
Number of Stock, Ending Balance | 76 |
Weighted-Average Grant Date Fair Value | ' |
Weighted-Average Grant Date Fair Value, Beginning Balance (in dollars per share) | $51.99 |
Weighted-Average Grant Date Fair Value, Granted (in dollars per share) | $39 |
Weighted-Average Grant Date Fair Value, Exercised (in dollars per share) | $64.30 |
Weighted-Average Grant Date Fair Value, Forfeited (in dollars per share) | $0 |
Weighted-Average Grant Date Fair Value, Ending Balance (in dollars per share) | $43.72 |
Restricted Stock Units [Member] | ' |
Number of Performance-Based Restricted Stock Units and Restricted Shares | ' |
Number of Stock, Beginning Balance | 0 |
Number of Stock, Granted | 182 |
Number of Stock, Exercised | 0 |
Number of Stock, Forfeited | 2 |
Number of Stock, Ending Balance | 180 |
Weighted-Average Grant Date Fair Value | ' |
Weighted-Average Grant Date Fair Value, Beginning Balance (in dollars per share) | $0 |
Weighted-Average Grant Date Fair Value, Granted (in dollars per share) | $45.01 |
Weighted-Average Grant Date Fair Value, Exercised (in dollars per share) | $0 |
Weighted-Average Grant Date Fair Value, Forfeited (in dollars per share) | $52.59 |
Weighted-Average Grant Date Fair Value, Ending Balance (in dollars per share) | $44.94 |