Employee Benefit Plans (Tables)
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12 Months Ended |
Feb. 03, 2018 |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
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| Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs |
The following table summarizes share-based compensation expense (in thousands): | | | | | | | | | | | | | | Year Ended | | February 3,
2018 | | January 28,
2017 | | January 30,
2016 | Continuing operations: | | | | | | Cost of goods sold | $ | 6,646 |
| | $ | 8,334 |
| | $ | 7,787 |
| Research and development | 52,127 |
| | 74,809 |
| | 88,897 |
| Selling, general and administrative | 26,349 |
| | 18,257 |
| | 26,082 |
| Share-based compensation - continuing operations | $ | 85,122 |
| | $ | 101,400 |
| | $ | 122,766 |
| Discontinued operations: | | | | | | Cost of goods sold | (11 | ) | | 187 |
| | 129 |
| Research and development | 1,458 |
| | 11,633 |
| | 9,895 |
| Selling, general and administrative | 120 |
| | 750 |
| | 989 |
| Share-based compensation - discontinued operations | 1,567 |
| | 12,570 |
| | 11,013 |
| Total share-based compensation | $ | 86,689 |
| | $ | 113,970 |
| | $ | 133,779 |
|
|
| Schedule of Nonvested Share Activity |
A summary of restricted stock unit activity, which includes time-based and performance-based or market-based restricted stock units, is as follows (in thousands, except per-share amounts): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Time-Based | | Performance-Based | | Market-Based | | Total | | Number of Shares | | Weighted Average Grant Date Fair Value | | Number of Shares | | | Weighted Average Grant Date Fair Value | | Number of Shares | | Weighted Average Grant Date Fair Value | | Number of Shares | | Weighted Average Grant Date Fair Value | Balance at January 31, 2015 | 9,748 |
| | $ | 14.84 |
| | 1,254 |
| | | $ | 14.99 |
| |
| |
| | 11,002 |
| | $ | 14.85 |
| Granted | 5,689 |
| | $ | 12.88 |
| | 669 |
| * | | $ | 14.08 |
| | 407 |
| * | $ | 12.24 |
| | 6,765 |
| | $ | 12.96 |
| Vested | (5,139 | ) | | $ | 15.06 |
| | (658 | ) | | | $ | 15.15 |
| | — |
| | $ | — |
| | (5,797 | ) | | $ | 15.07 |
| Canceled/Forfeited | (1,955 | ) | | $ | 13.99 |
| | (288 | ) | | | $ | 14.39 |
| | (54 | ) | | $ | 12.24 |
| | (2,297 | ) | | $ | 14.00 |
| Balance at January 30, 2016 | 8,343 |
| | $ | 13.57 |
| | 977 |
| | | $ | 14.43 |
| | 353 |
| | $ | 12.24 |
| | 9,673 |
| | $ | 13.61 |
| Granted | 9,139 |
| | $ | 9.83 |
| | 366 |
| * | | $ | 13.91 |
| | 612 |
| | $ | 11.94 |
| | 10,117 |
| | $ | 10.11 |
| Vested | (5,490 | ) | | $ | 13.95 |
| | (155 | ) | | | $ | 14.15 |
| | — |
| | $ | — |
| | (5,645 | ) | | $ | 13.95 |
| Canceled/Forfeited | (2,067 | ) | | $ | 10.69 |
| | (875 | ) | | | $ | 14.45 |
| | (406 | ) | | $ | 12.39 |
| | (3,348 | ) | | $ | 11.88 |
| Balance at January 28, 2017 | 9,925 |
| | $ | 10.52 |
| | 313 |
| | | $ | 13.91 |
| | 559 |
| | $ | 11.80 |
| | 10,797 |
| | $ | 10.69 |
| Granted | 8,154 |
| | $ | 15.33 |
| | 406 |
| * | | $ | 14.49 |
| | 409 |
| * | $ | 15.14 |
| | 8,969 |
| | $ | 15.28 |
| Vested | (5,653 | ) | | $ | 10.86 |
| | — |
| | | $ | — |
| | — |
| | — |
| | (5,653 | ) | | $ | 10.86 |
| Canceled/Forfeited | (2,137 | ) | | $ | 11.95 |
| | (47 | ) | | | $ | 13.99 |
| | (47 | ) | | $ | 14.71 |
| | (2,231 | ) | | $ | 12.05 |
| Balance at February 3, 2018 | 10,289 |
| | $ | 13.84 |
| | 672 |
| | | $ | 14.25 |
| | 921 |
| | $ | 13.14 |
| | 11,882 |
| | $ | 13.81 |
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| | * | Amounts represent the target number of restricted stock units at grant date. For awards granted to our executive officers, up to 200% of the target restricted stock units may vest if the maximum level for performance goals is achieved. |
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| Schedule of Stock Option Activity |
Stock option activity under the Company’s stock option and stock incentive plans is included in the following table (in thousands, except for per share amounts): | | | | | | | | | | | | | | | | | | | | | | | Time-Based Options | | Market-Based Options | | Total | | Number of Shares | | Weighted Average Exercise Price | | Number of Shares | | Weighted Average Exercise Price | | Number of Shares | | Weighted Average Exercise Price | Balance at January 31, 2015 | 47,140 |
| | $ | 13.79 |
| | 2,232 |
| | $ | 15.43 |
| | 49,372 |
| | $ | 13.88 |
| Granted | 6,170 |
| | $ | 14.13 |
| | — |
| | — |
| | 6,170 |
| | $ | 14.13 |
| Exercised | (2,225 | ) | | $ | 9.79 |
| | — |
| | — |
| | (2,225 | ) | | $ | 9.79 |
| Canceled/Forfeited | (10,211 | ) | | $ | 15.68 |
| | (76 | ) | | $ | 15.43 |
| | (10,287 | ) | | $ | 15.68 |
| Balance at January 30, 2016 | 40,874 |
| | $ | 13.59 |
| | 2,156 |
| | $ | 15.43 |
| | 43,030 |
| | $ | 13.68 |
| Granted | 2,104 |
| | $ | 9.99 |
| | — |
| | — |
| | 2,104 |
| | $ | 9.99 |
| Exercised | (5,558 | ) | | $ | 10.35 |
| | — |
| | — |
| | (5,558 | ) | | $ | 10.35 |
| Canceled/Forfeited | (12,324 | ) | | $ | 16.44 |
| | (2,156 | ) | | $ | 15.43 |
| | (14,480 | ) | | $ | 16.29 |
| Balance at January 28, 2017 | 25,096 |
| | $ | 12.61 |
| | — |
| | $ | — |
| | 25,096 |
| | $ | 12.61 |
| Granted | — |
| | $ | — |
| | — |
| | — |
| | — |
| | $ | — |
| Exercised | (10,305 | ) | | $ | 12.38 |
| | — |
| | — |
| | (10,305 | ) | | $ | 12.38 |
| Canceled/Forfeited | (3,019 | ) | | $ | 14.33 |
| | — |
| | — |
| | (3,019 | ) | | $ | 14.33 |
| Balance at February 3, 2018 | 11,772 |
| | $ | 12.36 |
| | — |
| | $ | — |
| | 11,772 |
| | $ | 12.36 |
| Vested or expected to vest at February 3, 2018 | 11,772 |
| | $ | 12.36 |
| | | | | | | | |
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| Schedule of Outstanding Options and Exercisable Options Information, by Range of Exercise Prices |
Outstanding options and exercisable options information by range of exercise prices as of February 3, 2018 was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | Outstanding Options | | Exercisable Options | Range of Exercise Prices | | Number of Shares (in Thousands) | | Weighted Average Remaining Contractual Term (in Years) | | Weighted Average Exercise Price | | Number of Shares (in Thousands) | | Weighted Average Exercise Price | $ | 5.70 |
| | $ | 10.47 |
| | 2,083 |
| | 3.79 | | $ | 8.02 |
| | 1,463 |
| | $ | 7.32 |
| $ | 10.76 |
| | $ | 10.76 |
| | 3,400 |
| | 5.23 | | $ | 10.76 |
| | 3,398 |
| | $ | 10.76 |
| $ | 10.80 |
| | $ | 14.35 |
| | 3,226 |
| | 6.03 | | $ | 13.56 |
| | 982 |
| | $ | 11.89 |
| $ | 14.45 |
| | $ | 15.87 |
| | 2,795 |
| | 5.66 | | $ | 15.46 |
| | 1,667 |
| | $ | 15.42 |
| $ | 15.91 |
| | $ | 21.62 |
| | 268 |
| | 2.00 | | $ | 19.55 |
| | 264 |
| | $ | 19.60 |
| Total | | | | 11,772 |
| | 5.22 | | $ | 12.36 |
| | 7,774 |
| | $ | 11.55 |
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| Weighted Average Assumptions Used to Calculate Fair Value Awards |
The following weighted-average assumptions were used for each respective period to calculate the fair value of common shares to be issued under the ESPP on the date of grant using the Black-Scholes option pricing model: | | | | | | | | | | | | | | Year Ended | | February 3,
2018 | | January 28,
2017 | | January 30,
2016 | Employee Stock Purchase Plan: | | | | | | Estimated fair value | $ | 6.03 |
| | $ | 3.83 |
| | $ | 3.24 |
| Expected volatility | 30 | % | | 39 | % | | 41 | % | Expected term (in years) | 1.2 |
| | 1.2 |
| | 1.3 |
| Risk-free interest rate | 1.6 | % | | 0.7 | % | | 0.6 | % | Expected dividend yield | 1.1 | % | | 1.9 | % | | 2.4 | % |
The following weighted-average assumptions were used for each respective period to calculate the fair value of common shares to be issued under Total Shareholder Return performance awards on the date of grant using the Monte Carlo pricing model: | | | | | | | | | Year Ended | | February 3,
2018 | January 28,
2017 | January 30,
2016 | Total Shareholder Return Awards: | | | | Expected term (in years) | 2.9 |
| 2.9 |
| 2.0 |
| Expected volatility | 35 | % | 36 | % | 27 | % | Average correlation coefficient of peer companies | 0.5 |
| 0.5 |
| 0.4 |
| Risk-free interest rate | 1.4 | % | 0.9 | % | 0.5 | % | Expected dividend yield | 1.6 | % | 2.1 | % | 1.7 | % |
The following weighted average assumptions were used for each respective period to calculate the fair value of each time-based stock option award on the date of grant using the Black-Scholes option pricing model: | | | | | | | | | | | | Year Ended | | February 3,
2018 | | January 28,
2017 | | January 30,
2016 | Time-based Stock Options: | | | | | | Weighted average fair value | N/A | | $ | 2.92 |
| | $ | 3.93 |
| Expected volatility | N/A | | 40 | % | | 34 | % | Expected term (in years) | N/A | | 5.2 |
| | 5.4 |
| Risk-free interest rate | N/A | | 1.3 | % | | 1.6 | % | Expected dividend yield | N/A | | 2.5 | % | | 1.8 | % |
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