|
Stock-Based Compensation (Tables)
|
6 Months Ended |
|
Jun. 29, 2012
|
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
|
| Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] |
| | The components and classification of stock-based compensation expense were as follows (in thousands): | | | | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | | | June 29, | | | July 1, | | | June 29, | | | July 1, | | | | | 2012 | | | 2011 | | | 2012 | | | 2011 | | | Stock options | $ | 689 | | $ | 629 | | $ | 1,367 | | $ | 1,163 | | | Restricted stock and units | | 1,527 | | | 1,091 | | | 3,036 | | | 2,084 | | | 401(k) stock contribution | | 1,130 | | | 1,328 | | | 1,130 | | | 2,548 | | | Total stock-based compensation expense | $ | 3,346 | | $ | 3,048 | | $ | 5,533 | | $ | 5,795 | | | | | | | | | | | | | | | | | Cost of sales | $ | 1,104 | | $ | 1,076 | | $ | 1,367 | | $ | 2,081 | | | Selling, general and administrative | | 1,909 | | | 1,623 | | | 3,726 | | | 3,112 | | | Research, development and engineering | | 333 | | | 349 | | | 440 | | | 602 | | | Total stock-based compensation expense | $ | 3,346 | | $ | 3,048 | | $ | 5,533 | | $ | 5,795 |
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| | The weighted average fair value and assumptions used to value options granted are as follows: | | | | Six Months Ended | | | | | June 29, | | | July 1, | | | | | 2012 | | | 2011 | | | Weighted average fair value | $ | 8.19 | | $ | 9.42 | | | Risk-free interest rate | | 0.83% | | | 2.04% | | | Expected volatility | | 40% | | | 40% | | | Expected life (in years) | | 5 | | | 5 | | | Expected dividend yield | | 0% | | | 0% |
|
| Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
| | The following table summarizes time-vested stock option activity: | | | | | | | | Number of Time-Vested Stock Options | | | Weighted Average Exercise Price | | | Weighted Average Remaining Contractual Life (In Years) | | | Aggregate Intrinsic Value (In Millions) | | | Outstanding at | December 30, 2011 | | 1,558,771 | | $ | 23.42 | | | | | | | | | | Granted | | 377,826 | | | 22.18 | | | | | | | | | | Exercised | | (13,316) | | | 21.44 | | | | | | | | | | Forfeited or expired | | (56,953) | | | 24.05 | | | | | | | | | Outstanding at | June 29, 2012 | | 1,866,328 | | $ | 23.17 | | | 6.4 | | $ | 2.1 | | | Exercisable at | June 29, 2012 | | 1,289,902 | | $ | 23.36 | | | 5.3 | | $ | 1.8 |
| | The following table summarizes performance-vested stock option activity: | | | | | | | | Number of Performance-Vested Stock Options | | | Weighted Average Exercise Price | | | Weighted Average Remaining Contractual Life (In Years) | | | Aggregate Intrinsic Value (In Millions) | | | Outstanding at | December 30, 2011 | | 478,364 | | $ | 24.44 | | | | | | | | | | Exercised | | (5,353) | | | 22.11 | | | | | | | | | | Forfeited or expired | | (177,733) | | | 26.49 | | | | | | | | | Outstanding at | June 29, 2012 | | 295,278 | | $ | 23.25 | | | 4.8 | | $ | 0.1 | | | Exercisable at | June 29, 2012 | | 295,278 | | $ | 23.25 | | | 4.8 | | $ | 0.1 |
|
| Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
| | The following table summarizes time-vested restricted stock and unit activity: | | | | | | | | Time-Vested Activity | | | Weighted Average Fair Value | | | Nonvested at | December 30, 2011 | | 69,942 | | $ | 22.69 | | | | Granted | | 80,402 | | | 23.41 | | | | Vested | | (19,142) | | | 21.86 | | | | Forfeited | | (4,679) | | | 22.04 | | | Nonvested at | June 29, 2012 | | 126,523 | | $ | 23.29 |
| | The following table summarizes performance-vested restricted stock and unit activity: | | | | | | | | Performance-Vested Activity | | | Weighted Average Fair Value | | | Nonvested at | December 30, 2011 | | 529,743 | | $ | 16.68 | | | | Granted | | 332,918 | | | 15.30 | | | | Vested | | (7,500) | | | 24.62 | | | | Forfeited | | (38,413) | | | 15.74 | | | Nonvested at | June 29, 2012 | | 816,748 | | $ | 16.09 |
|