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Share-Based Compensation (Tables) | 9 Months Ended
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Oct. 29, 2017
Share-based Compensation [Abstract] |
Allocation Of Stock-Based Compensation | The following table summarizes pre-tax share-based compensation included in the Statements of Income for the three and nine months ended October 29, 2017 and October 30, 2016.
| Three Months Ended |  | Nine Months Ended
(in thousands) | October 29, 2017 |  | October 30, 2016 |  | October 29, 2017 |  | October 30, 2016
Revenue offset | $ | 6,249 |  |  | $ | 3,669 |  |  | $ | 14,726 |  |  | $ | 3,669 |
Cost of sales | 316 |  |  | 360 |  |  | 1,161 |  |  | 1,108 |
Selling, general and administrative | 6,589 |  |  | 3,965 |  |  | 22,200 |  |  | 12,001 |
Product development and engineering | 2,202 |  |  | 1,401 |  |  | 6,079 |  |  | 4,420 |
Share-based compensation | $ | 15,356 |  |  | $ | 9,395 |  |  | $ | 44,166 |  |  | $ | 21,198 |
Net change in share-based compensation capitalized into inventory | $ | — |  |  | $ | 124 |  |  | $ | (414 | ) |  | $ | 106 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
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