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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | 3 Months Ended | 4 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 09, 2017 | Apr. 16, 2017 | Jul. 03, 2016 | Jan. 22, 2017 | Jul. 09, 2017 | Jul. 03, 2016
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  |  |  | 3.2 |
Decrease in obligations for treasury stock repurchases |  |  |  |  | $ (7,208) | $ 0
Common Stock, Dividends, Per Share, Declared | $ 0.40 | $ 0.40 | $ 0.30 | $ 0.40 | $ 1.20 | $ 0.90
Dividends, Common Stock |  |  |  |  | $ 37,400 |
Expiration: November 2018 [Member] |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Repurchase of common stock, remaining authorized amount | $ 181,000 |  |  |  | 181,000 |
Treasury Stock [Member] |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  |  | $ 327,200 |

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition The increase (decrease) during the reporting period in the liability under agreements to repurchase securities that were sold. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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