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Share-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Share-Based Compensation Expense | The following summarizes share-based compensation expense recorded:
|  | Year ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | (in thousands) |
Cost of sales |  | $ | 662 |  |  | $ | 432 |  |  | $ | 143 |
Selling, general and administrative expenses |  |  | 2,398 |  |  |  | 2,616 |  |  |  | 1,318 |
Total |  | $ | 3,060 |  |  | $ | 3,048 |  |  | $ | 1,461 |
Summary of Status of Company's Stock Options | A summary of status of the Company’s stock options as of December 31, 2013 and changes during the three years then ended is presented below:
|  | Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Aggregate Intrinsic Value |
|  |  |  |  |  |  |  | (in years) |  |  | (in thousands) |
Balance, December 31, 2010 |  |  | 145,209 |  |  | $ | 17.64 |  |  |  |  |  |  |  |  |
Options granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Options exercised or exchanged |  |  | (73,612 | ) |  |  | 14.12 |  |  |  |  |  |  |  |  |
Options cancelled |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Balance, December 31, 2011 |  |  | 71,597 |  |  |  | 21.26 |  |  |  |  |  |  |  |  |
Options granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Options exercised or exchanged |  |  | (24,597 | ) |  |  | 17.58 |  |  |  |  |  |  |  |  |
Options cancelled |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Balance, December 31, 2012 |  |  | 47,000 |  |  |  | 23.19 |  |  |  |  |  |  |  |  |
Options granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Options exercised or exchanged |  |  | (7,000 | ) |  |  | 10.31 |  |  |  |  |  |  |  |  |
Options cancelled |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Balance, December 31, 2013 |  |  | 40,000 |  |  |  | 25.44 |  |  |  |  |  |  |  |  |
Exercisable and Outstanding, December 31, 2013 |  |  | 40,000 |  |  |  | 25.44 |  |  |  | 4.65 |  |  | $ | 493 |
Summary of Information about Stock Options Outstanding | The following table summarizes information about stock options outstanding at December 31, 2013:
Options Outstanding |  |  | Options Exercisable |
Range of Exercise Prices Per Share |  | Number of Options |  |  | Weighted Average Remaining Contractual Life (years) |  |  | Weighted Average Exercise Price Per Share |  |  | Number of Options |  |  | Weighted Average Exercise Price Per Share |
$14.00 |  |  | 2,000 |  |  |  | 0.36 |  |  |  | 14.00 |  |  |  | 2,000 |  |  |  | 14.00 |
$22.07 |  |  | 4,000 |  |  |  | 1.36 |  |  |  | 22.07 |  |  |  | 4,000 |  |  |  | 22.07 |
$24.15 |  |  | 24,000 |  |  |  | 6.25 |  |  |  | 24.15 |  |  |  | 24,000 |  |  |  | 24.15 |
$28.31 |  |  | 4,000 |  |  |  | 2.36 |  |  |  | 28.31 |  |  |  | 4,000 |  |  |  | 28.31 |
$34.77 |  |  | 6,000 |  |  |  | 3.41 |  |  |  | 34.77 |  |  |  | 6,000 |  |  |  | 34.77 |
|  |  | 40,000 |  |  |  | 4.65 |  |  |  | 25.44 |  |  |  | 40,000 |  |  |  | 25.44 |
Summary of Status of Company's RSUs and PSAs | A summary of status of the Company’s RSUs and PSAs as of December 31, 2013 and changes during the three years then ended is presented below:
|  | Number of RSUs and PSAs |  |  | Weighted Average Grant Date Fair Value |
Unvested RSUs and PSAs at December 31, 2010 |  |  | 55,843 |  |  | $ | 37.00 |
RSUs and PSAs granted |  |  | 174,891 |  |  |  | 23.32 |
Unvested RSUs and PSAs cancelled |  |  | (20,997 | ) |  |  | 47.46 |
RSUs and PSAs vested |  |  | (15,756 | ) |  |  | 26.27 |
Unvested RSUs and PSAs at December 31, 2011 |  |  | 193,981 |  |  |  | 24.41 |
RSUs and PSAs granted |  |  | 115,306 |  |  |  | 29.06 |
Unvested RSUs and PSAs cancelled |  |  | (39,306 | ) |  |  | 28.44 |
RSUs and PSAs vested |  |  | (26,840 | ) |  |  | 23.13 |
Unvested RSUs and PSAs at December 31, 2012 |  |  | 243,141 |  |  |  | 26.11 |
RSUs and PSAs granted |  |  | 117,966 |  |  |  | 34.24 |
Unvested RSUs and PSAs cancelled |  |  | (16,002 | ) |  |  | 27.45 |
RSUs and PSAs vested |  |  | (88,018 | ) |  |  | 23.37 |
Unvested RSUs and PSAs at December 31, 2013 |  |  | 257,087 |  |  | $ | 30.69 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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