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Capital Stock (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 2 Months Ended | 3 Months Ended | 6 Months Ended | 18 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 15, 2015 | Sep. 11, 2015 | Jan. 28, 2017 | Apr. 23, 2016 | Oct. 24, 2015 | Jan. 28, 2017 | Jan. 23, 2016 | Aug. 31, 2018 | Mar. 02, 2017 | Feb. 28, 2017
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares repurchased | 805,000 |  | 313,006 | 1,557,354 | 954,224 |  |  |  |  |
Total Consideration (Dollars in thousands) |  |  | $ 25,000 | $ 100,000 | $ 69,997 | $ 25,000 | $ 69,997 |  |  |
Average Price Per Share (in dollars per share) | $ 74.53 |  | $ 79.87 | $ 64.21 | $ 73.35 |  |  |  |  |
Cumulative Effect on Retained Earnings, Net of Tax |  |  | $ 12,100 |  |  |  |  |  |  |
Stock repurchased and retired during period, value | $ 60,000 | $ 110,000 |  |  |  |  |  |  |  |
Remaining Authorized Repurchase Amount |  |  | $ 75,000 |  |  | $ 75,000 |  |  |  |
Shares paid for tax withholding for share based compensation |  |  | 128,783 |  | 156,362 |  |  |  |  |
Value of shares paid for tax withholding for share based compensation |  |  | $ 10,200 |  | $ 12,100 |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program Expiration Date |  |  |  |  |  |  |  | Aug. 31, 2018 |  |
Remaining Authorized Repurchase Amount |  |  |  |  |  |  |  |  | $ 150,000 |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  |  | $ 75,000

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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the monetary value of shares the employees use to repay the employer. + References No definition available. + Details
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- Definition Amount of the cumulative effect on retained earnings net of related income tax effect. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22663-107794 + Details
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