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Shareholders' Equity (Changes in Shareholders' Equity) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 02, 2016 | Apr. 04, 2015 | Apr. 02, 2016 | Apr. 04, 2015
Shareholders' Equity |  |  |  |
Purchase of stock held by stock employee compensation trust |  |  | $ 1,515 | $ 8,440
Beginning of Period |  |  | 994,532 |
Net earnings attributable to common shareholders | $ 31,050 | $ 32,093 | 57,291 | 67,358
Other Comprehensive Income (Loss), Net of Tax | 19,199 | $ (31,780) | 1,770 | $ (68,862)
End of Period | $ 1,032,138 |  | $ 1,032,138 |
Class A Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
TOTAL SHAREHOLDERS' EQUITY, Shares | 32,847,342 |  | 32,847,342 |
Class B Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
TOTAL SHAREHOLDERS' EQUITY, Shares | 3,361,258 |  | 3,361,258 |
Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
Beginning of Period |  |  | $ 51,280 |
End of Period | $ 51,280 |  | $ 51,280 |
Common Stock | Class A Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
Common Stock, Beginning of Period |  |  | 43,638,618 |
Conversion for Class B to Class A |  |  | 15,183 |
Common Stock, End of Period | 43,653,801 |  | 43,653,801 |
Common Stock | Class B Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
Common Stock, Beginning of Period |  |  | 7,641,095 |
Conversion for Class B to Class A |  |  | (15,183) |
Common Stock, End of Period | 7,625,912 |  | 7,625,912 |
Additional Paid-In Capital |  |  |  |
Shareholders' Equity |  |  |  |
Beginning of Period |  |  | $ 456,512 |
Equity-based compensation expense |  |  | 1,919 |
Issuance of treasury shares |  |  | (264) |
Adjustment To Market SECT, SERP and Other |  |  | (7,521) |
End of Period | $ 450,646 |  | 450,646 |
Retained Earnings |  |  |  |
Shareholders' Equity |  |  |  |
Beginning of Period |  |  | 1,579,794 |
Net earnings attributable to common shareholders |  |  | 57,291 |
End of Period | 1,637,085 |  | 1,637,085 |
Treasury Stock |  |  |  |
Shareholders' Equity |  |  |  |
Beginning of Period |  |  | (701,771) |
Issuance of treasury shares |  |  | 2,493 |
Purchase of treasury shares |  |  | (25,156) |
End of Period | $ (724,434) |  | $ (724,434) |
Treasury Stock | Class A Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
Treasury Stock, Beginning of Period |  |  | (10,318,431) |
Issuance of treasury shares, Shares |  |  | 84,625 |
Purchase of treasury shares, Shares |  |  | (572,653) |
Treasury Stock, End of Period | (10,806,459) |  | (10,806,459) |
Treasury Stock | Class B Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
Treasury Stock, Beginning of Period |  |  | (3,323,926) |
Issuance of treasury shares, Shares |  |  | 0 |
Purchase of treasury shares, Shares |  |  | 0 |
Treasury Stock, End of Period | (3,323,926) |  | (3,323,926) |
Stock Employee Compensation Trust (Sect) |  |  |  |
Shareholders' Equity |  |  |  |
Beginning of Period |  |  | $ (44,211) |
Issuance of shares |  |  | 2,897 |
Purchase of shares |  |  | (1,515) |
Adjustment to market |  |  | 7,128 |
End of Period | $ (35,701) |  | $ (35,701) |
Stock Employee Compensation Trust (Sect) | Class B Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
SECT, Beginning of Period |  |  | (828,381) |
Issuance of share, shares |  |  | 64,676 |
Purchase of shares, shares |  |  | (27,023) |
SECT, End of Period | (790,728) |  | (790,728) |
Supplemental Retirement Plan (SERP) Trust |  |  |  |
Shareholders' Equity |  |  |  |
Beginning of Period |  |  | $ (5,337) |
Purchase of shares |  |  | (2,300) |
Adjustment to market |  |  | 864 |
End of Period | $ (6,773) |  | $ (6,773) |
Supplemental Retirement Plan (SERP) Trust | Class B Common Stock |  |  |  |
Shareholders' Equity |  |  |  |
SERP, Beginning of Period |  |  | (100,000) |
Purchase of shares, shares |  |  | (50,000) |
SERP, End of Period | (150,000) |  | (150,000) |
Accumulated Other Comprehensive (Loss) Income |  |  |  |
Shareholders' Equity |  |  |  |
Beginning of Period |  |  | $ (341,735) |
Other Comprehensive Income (Loss), Net of Tax |  |  | 1,770 |
End of Period | $ (339,965) |  | $ (339,965) |

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