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Net Income Per Share | 9 Months Ended
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Sep. 29, 2013
Earnings Per Share [Abstract] |
Net Income Per Share | Net Income Per Share Basic net income per share is computed by dividing the net income for the period by the weighted average number of common shares outstanding during the period. Diluted net income per share is computed by dividing the net income for the period by the weighted average number of shares of common stock and potentially dilutive common stock outstanding during the period. Potentially dilutive common shares include outstanding stock options and unvested restricted stock awards, which are reflected in diluted net income per share by application of the treasury stock method. Under the treasury stock method, the amount that the employee must pay for exercising stock options, the amount of stock-based compensation cost for future services that the Company has not yet recognized, and the estimated tax benefit that would be recorded in additional paid-in capital upon exercise are assumed to be used to repurchase shares. Net income per share for the three and nine months ended September 29, 2013, and September 30, 2012, are as follows (in thousands, except per share data):
| Three Months Ended |  | Nine Months Ended
| September 29, 2013 |  | September 30, 2012 |  | September 29, 2013 |  | September 30, 2012
Net income | $ | 14,457 |  |  | $ | 23,791 |  |  | $ | 43,785 |  |  | $ | 70,460 |
Weighted average shares outstanding: |  |  |  |  |  |  |
Basic | 38,700 |  |  | 38,162 |  |  | 38,562 |  |  | 37,978 |
Dilutive potential common shares | 498 |  |  | 640 |  |  | 565 |  |  | 704 |
Total diluted | 39,198 |  |  | 38,802 |  |  | 39,127 |  |  | 38,682 |
Basic net income per share | $ | 0.37 |  |  | $ | 0.62 |  |  | $ | 1.14 |  |  | $ | 1.86 |
Diluted net income per share | $ | 0.37 |  |  | $ | 0.61 |  |  | $ | 1.12 |  |  | $ | 1.82 |
Weighted average stock options and unvested restricted stock awards to purchase 3.0 million shares and 2.6 million shares of the Company’s stock for the three months ended September 29, 2013, and September 30, 2012, respectively, and 2.8 million and 2.7 million shares for the nine months ended September 29, 2013, and September 30, 2012, respectively, were excluded from the computation of diluted net income per share because their effect would have been anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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