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Capital Stock (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 2 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 15, 2015 | Sep. 11, 2015 | Apr. 29, 2017 | Jan. 28, 2017 | Apr. 23, 2016 | Oct. 24, 2015 | Apr. 29, 2017 | Apr. 23, 2016 | Jul. 30, 2016
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Number of shares repurchased | 805,000 |  | 400,000 | 313,006 | 1,557,354 | 954,224 |  |  |
Total Consideration (Dollars in thousands) |  |  | $ 37,909 | $ 25,000 | $ 100,000 | $ 69,997 | $ 62,909 | $ 169,997 |
Average Price Per Share (in dollars per share) | $ 74.53 |  | $ 94.77 | $ 79.87 | $ 64.21 | $ 73.35 |  |  |
Stock repurchased and retired during period, value | $ 60,000 | $ 110,000 |  |  |  |  |  |  |
Remaining Authorized Repurchase Amount |  |  | $ 112,100 |  |  |  | $ 112,100 |  | $ 100,000
Cumulative Effect on Retained Earnings, Net of Tax |  |  | 42,800 |  |  |  |  |  |
Shares paid for tax withholding for share based compensation |  |  |  |  |  |  | 130,922 | 156,362 |
Value of shares paid for tax withholding for share based compensation |  |  |  |  |  |  | $ 10,400 | $ 12,100 |
Stock Repurchase Program Expiration Date |  |  |  |  |  |  | Aug. 31, 2018 |  |
April 2016 Authorization Extension [Member] |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  | 75,000 |  |  |  | $ 75,000 |  |
February 2017 Authorization [Member] |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  | $ 75,000 |  |  |  | $ 75,000 |  |

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- Definition The total costs of shares repurchased during the period divided by the total number of shares that have been repurchased during the period which have not been retired and are not held in treasury. + References No definition available. + Details
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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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