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Share-Based Compensation (Tables) | 6 Months Ended
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Jul. 31, 2013
Schedule of Share-Based Compensation Expense, Included in Selling, General and Administrative Expenses in Condensed Consolidated Statements of Income | Share-based compensation expense (income) included in selling, general and administrative expenses in the Condensed Consolidated Statements of Income, for the three and six months ended July 31, 2013 and 2012 was as follows:
|  | Three Months Ended July 31, |  |  | Six Months Ended July 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Stock Options |  | $ | 821 |  |  | $ | 593 |  |  | $ | 1,525 |  |  | $ | 992 |
Stock Appreciation Rights |  |  | 760 |  |  |  | 662 |  |  |  | 1,527 |  |  |  | 1,169 |
Performance Stock Units |  |  | 2,136 |  |  |  | 2,493 |  |  |  | 4,259 |  |  |  | 4,493 |
Restricted Stock Units |  |  | 67 |  |  |  | 3 |  |  |  | 114 |  |  |  | (12 | )
Total |  | $ | 3,784 |  |  | $ | 3,751 |  |  | $ | 7,425 |  |  | $ | 6,642 |
Schedule of Share Based Awards Issued and Weighted Average Fair Value | The share-based awards issued and the weighted-average fair value for the six months ended July 31, 2013 were as follows:
|  | Six Months Ended July 31, 2013 |
|  | Awards Issued |  |  | Weighted Average Fair Value |
Stock Options |  |  | 100,000 |  |  | $ | 9.67 |
Stock Appreciation Rights |  |  | 27,500 |  |  | $ | 14.11 |
Performance Stock Units |  |  | 93,000 |  |  | $ | 24.56 |
Restricted Stock Units |  |  | 10,000 |  |  | $ | 39.06 |
Total |  |  | 230,500 |  |  |  |  |
Schedule of Unrecognized Compensation Cost and Weighted Average Period of Recognition | The total unrecognized compensation cost related to outstanding share-based awards and the weighted-average period in which the cost is expected to be recognized as of July 31, 2013 were as follows:
|  | July 31, 2013 |
|  | Unrecognized Compensation Cost |  |  | Weighted Average Years |
Stock Options |  | $ | 1,707 |  |  |  | 1.0 |
Stock Appreciation Rights |  |  | 7,588 |  |  |  | 2.8 |
Performance Stock Units |  |  | 21,371 |  |  |  | 2.7 |
Restricted Stock Units |  |  | 260 |  |  |  | 1.2 |
Total |  | $ | 30,926 |  |  |  | 2.6 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + 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 + Details
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- Definition Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. + 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 (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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