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Business And Summary Of Significant Accounting Policies (Change In The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 01, 2018 | Sep. 02, 2017
Business Acquisition [Line Items] |  |  |  |
Goodwill, Beginning Balance | $ 633,728 |  | $ 624,081 |
Acquisition | 41,939 | [1] | 8,318 | [2]
Foreign currency translation adjustment | (1,407) |  | 1,329 |
Goodwill, Ending Balance | 674,998 |  | $ 633,728 |
DECO Tool Supply Co. [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Post-closing working capital adjustment from acquisition | 738 |  |  |
Goodwill, Ending Balance | 41,939 |  |  |
All Integrated Solutions ("AIS") [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Post-closing working capital adjustment from acquisition | 1,210 |  |  |
Goodwill, Ending Balance | $ 41,939 |  |  |
[1] | Acquired All Integrated Solutions ("AIS") in April 2018, including post-closing working capital adjustment of $1,155. See Note 4 "Business Combinations" for further discussion on these acquisitions.
[2] | Acquired DECO Tool Supply Co. ("DECO") in July 2017.

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