|
Stock Options Plans and Stock-Based Compensation (Tables)
|
12 Months Ended |
|
Dec. 31, 2011
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Activities relating to restricted stock awards |
| |
|
|
|
|
|
|
|
|
| |
|
Number
of Shares Underlying Restricted Stock |
|
|
Weighted Average Grant Date
Fair Value |
|
|
Outstanding at December 27, 2008
|
|
|
168,716 |
|
|
$ |
15.60 |
|
|
Granted
|
|
|
183,139 |
|
|
|
9.94 |
|
|
Vested
|
|
|
(46,162 |
) |
|
|
15.09 |
|
|
Forfeited
|
|
|
(4,469 |
) |
|
|
16.23 |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 2, 2010
|
|
|
301,224 |
|
|
$ |
12.23 |
|
|
Granted
|
|
|
382,564 |
|
|
|
16.84 |
|
|
Vested
|
|
|
(98,015 |
) |
|
|
13.18 |
|
|
Forfeited
|
|
|
(15,696 |
) |
|
|
13.17 |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2011
|
|
|
570,077 |
|
|
$ |
15.14 |
|
|
Granted
|
|
|
282,744 |
|
|
|
32.08 |
|
|
Vested
|
|
|
(168,041 |
) |
|
|
15.31 |
|
|
Forfeited
|
|
|
(77,275 |
) |
|
|
16.73 |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2011
|
|
|
607,505 |
|
|
$ |
22.77 |
|
| |
|
|
|
|
|
|
|
|
|
| Fair value of each option grant computed on the grant date |
| |
|
|
|
|
|
|
| |
|
Fiscal Year Ended December 31,
2011 |
|
Fiscal Year Ended January 1,
2011 |
|
Fiscal Year Ended January 2,
2010 |
|
Risk-free interest rate
|
|
0.83% — 2.24% |
|
1.27% — 2.28% |
|
1.45% — 2.50% |
|
Expected dividend yield
|
|
— |
|
— |
|
— |
|
Expected life
|
|
4.11 — 4.31 years |
|
4.00 — 4.75 years |
|
3.50 — 4.75 years |
|
Expected volatility
|
|
61.0% — 63.0% |
|
57.0% — 62.0% |
|
55.0% — 56.5% |
|
| Summary of stock option plan activity |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Number of Shares |
|
|
Weighted Average Exercise
Price |
|
|
Weighted
Average Remaining Contractual Term |
|
|
Aggregate Intrinsic
Value(1) |
|
|
Outstanding at December 27, 2008
|
|
|
3,523,931 |
|
|
$ |
13.24 |
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
941,406 |
|
|
|
11.09 |
|
|
|
|
|
|
|
|
|
|
Exercised
|
|
|
(243,791 |
) |
|
|
3.02 |
|
|
|
|
|
|
|
|
|
|
Canceled
|
|
|
(824,918 |
) |
|
|
19.89 |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at January 2, 2010
|
|
|
3,396,628 |
|
|
$ |
11.77 |
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
1,058,323 |
|
|
|
16.65 |
|
|
|
|
|
|
|
|
|
|
Exercised
|
|
|
(667,348 |
) |
|
|
9.87 |
|
|
|
|
|
|
|
|
|
|
Canceled
|
|
|
(130,568 |
) |
|
|
15.21 |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2011
|
|
|
3,657,035 |
|
|
$ |
13.40 |
|
|
|
|
|
|
|
|
|
|
Granted
|
|
|
349,650 |
|
|
|
33.27 |
|
|
|
|
|
|
|
|
|
|
Exercised
|
|
|
(1,232,721 |
) |
|
|
10.87 |
|
|
|
|
|
|
|
|
|
|
Canceled
|
|
|
(212,672 |
) |
|
|
15.37 |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2011
|
|
|
2,561,292 |
|
|
$ |
17.17 |
|
|
|
4.36 years |
|
|
$ |
33.6 million |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vested and expected to vest at December 31, 2011
|
|
|
2,454,904 |
|
|
$ |
16.94 |
|
|
|
4.31 years |
|
|
$ |
32.7 million |
|
|
Exercisable as of December 31, 2011
|
|
|
1,397,605 |
|
|
$ |
14.51 |
|
|
|
3.56 years |
|
|
$ |
21.4 million |
|
|
Weighted average fair value of options granted during the fiscal year ended December 31, 2011
|
|
|
|
|
|
$ |
16.55 |
|
|
|
|
|
|
|
|
|
|
Options available for future grant at December 31, 2011
|
|
|
2,695,397 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
(1) |
The aggregate intrinsic value on the table was calculated based upon the positive difference between the closing market value of the Company’s stock on
December 31, 2011 of $29.85 and the exercise price of the underlying option. |
|
| Summary of information about stock options outstanding |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Range of Exercise Prices
|
|
Number Outstanding
|
|
|
Options Outstanding Weighted
Average Remaining Contractual Life |
|
Weighted
Average Exercise Price |
|
|
Options Exercisable |
|
| |
|
|
|
Number Exercisable |
|
|
Weighted Average Exercise
Price |
|
|
$ 0.55 – $ 7.76
|
|
|
350,786 |
|
|
3.07 years |
|
$ |
5.40 |
|
|
|
295,500 |
|
|
$ |
4.96 |
|
|
8.10 – 13.46
|
|
|
278,793 |
|
|
3.79 |
|
|
11.54 |
|
|
|
149,955 |
|
|
|
12.41 |
|
|
13.74 – 14.13
|
|
|
203,331 |
|
|
3.51 |
|
|
14.07 |
|
|
|
147,630 |
|
|
|
14.06 |
|
|
14.52 – 14.52
|
|
|
509,475 |
|
|
5.20 |
|
|
14.52 |
|
|
|
147,242 |
|
|
|
14.52 |
|
|
14.54 – 17.60
|
|
|
258,210 |
|
|
2.67 |
|
|
16.21 |
|
|
|
243,993 |
|
|
|
16.19 |
|
|
17.70 – 18.74
|
|
|
266,045 |
|
|
5.07 |
|
|
18.20 |
|
|
|
146,458 |
|
|
|
18.08 |
|
|
19.85 – 24.53
|
|
|
346,397 |
|
|
4.40 |
|
|
23.27 |
|
|
|
255,272 |
|
|
|
22.82 |
|
|
24.88 – 29.85
|
|
|
32,555 |
|
|
4.90 |
|
|
28.47 |
|
|
|
11,555 |
|
|
|
27.19 |
|
|
33.48 – 33.48
|
|
|
308,200 |
|
|
6.19 |
|
|
33.48 |
|
|
|
— |
|
|
|
0.00 |
|
|
35.96 – 35.96
|
|
|
7,500 |
|
|
6.50 |
|
|
35.96 |
|
|
|
— |
|
|
|
0.00 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0.55 – $35.96
|
|
|
2,561,292 |
|
|
4.36 years |
|
$ |
17.17 |
|
|
|
1,397,605 |
|
|
$ |
14.51 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Activities relating to restricted stock units |
| |
|
|
|
|
|
|
|
|
| |
|
Number
of Shares Underlying Restricted Stock |
|
|
Weighted Average Grant Date
Fair Value |
|
|
Outstanding at December 27, 2008
|
|
|
168,716 |
|
|
$ |
15.60 |
|
|
Granted
|
|
|
183,139 |
|
|
|
9.94 |
|
|
Vested
|
|
|
(46,162 |
) |
|
|
15.09 |
|
|
Forfeited
|
|
|
(4,469 |
) |
|
|
16.23 |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 2, 2010
|
|
|
301,224 |
|
|
$ |
12.23 |
|
|
Granted
|
|
|
382,564 |
|
|
|
16.84 |
|
|
Vested
|
|
|
(98,015 |
) |
|
|
13.18 |
|
|
Forfeited
|
|
|
(15,696 |
) |
|
|
13.17 |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2011
|
|
|
570,077 |
|
|
$ |
15.14 |
|
|
Granted
|
|
|
282,744 |
|
|
|
32.08 |
|
|
Vested
|
|
|
(168,041 |
) |
|
|
15.31 |
|
|
Forfeited
|
|
|
(77,275 |
) |
|
|
16.73 |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2011
|
|
|
607,505 |
|
|
$ |
22.77 |
|
| |
|
|
|
|
|
|
|
|
|
|
Restricted Stock [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Activities relating to restricted stock awards |
| |
|
|
|
|
|
|
|
|
| |
|
Number
of Shares Underlying Restricted Stock |
|
|
Weighted Average Grant Date
Fair Value |
|
|
Outstanding at December 27, 2008
|
|
|
16,746 |
|
|
$ |
16.03 |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
Vested
|
|
|
(5,582 |
) |
|
|
16.03 |
|
|
Forfeited
|
|
|
— |
|
|
|
— |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 2, 2010
|
|
|
11,164 |
|
|
$ |
16.03 |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
Vested
|
|
|
(5,582 |
) |
|
|
16.03 |
|
|
Forfeited
|
|
|
— |
|
|
|
— |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2011
|
|
|
5,582 |
|
|
$ |
16.03 |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
Vested
|
|
|
(5,582 |
) |
|
|
16.03 |
|
|
Forfeited
|
|
|
— |
|
|
|
— |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2011
|
|
|
— |
|
|
$ |
— |
|
| |
|
|
|
|
|
|
|
|
|
| Activities relating to restricted stock units |
| |
|
|
|
|
|
|
|
|
| |
|
Number
of Shares Underlying Restricted Stock |
|
|
Weighted Average Grant Date
Fair Value |
|
|
Outstanding at December 27, 2008
|
|
|
16,746 |
|
|
$ |
16.03 |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
Vested
|
|
|
(5,582 |
) |
|
|
16.03 |
|
|
Forfeited
|
|
|
— |
|
|
|
— |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 2, 2010
|
|
|
11,164 |
|
|
$ |
16.03 |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
Vested
|
|
|
(5,582 |
) |
|
|
16.03 |
|
|
Forfeited
|
|
|
— |
|
|
|
— |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at January 1, 2011
|
|
|
5,582 |
|
|
$ |
16.03 |
|
|
Granted
|
|
|
— |
|
|
|
— |
|
|
Vested
|
|
|
(5,582 |
) |
|
|
16.03 |
|
|
Forfeited
|
|
|
— |
|
|
|
— |
|
| |
|
|
|
|
|
|
|
|
|
Outstanding at December 31, 2011
|
|
|
— |
|
|
$ |
— |
|
| |
|
|
|
|
|
|
|
|
|