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Business Combination (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 01, 2018 | Sep. 02, 2017 | Sep. 03, 2016
Business Acquisition [Line Items] |  |  |
Goodwill | $ 674,998 | $ 633,728 | $ 624,081
DECO Tool Supply Co. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition date | Jul. 31, 2017 |  |
Purchase price | $ 43,083 |  |
Acquired intangible assets | 23,200 |  |
Goodwill | 41,939 |  |
Goodwill adjustments | $ 738 |  |
All Integrated Solutions ("AIS") [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Interest acquired | 100.00% |  |
Acquisition date | Apr. 30, 2018 |  |
Payments to acquire business | $ 87,848 |  |
Non-recurring transaction and integration costs | 866 |  |
Acquired intangible assets | 23,200 |  |
Customer relationships | 21,000 |  |
Finite lived trademark | 2,200 |  |
Goodwill | 41,939 |  |
Tax deductible goodwill | 4,900 |  |
Revenue of acquiree | 24,659 |  |
Loss of acquiree | 4,443 |  |
Post-closing working capital adjustment paid out | 1,155 |  |
Adjustment to tax liability | 1,210 |  |
Goodwill adjustments | $ 1,210 |  |
All Integrated Solutions ("AIS") [Member] | Customer Relationships [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquired intangible assets useful life | 10 years |  |
All Integrated Solutions ("AIS") [Member] | Trademark [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquired intangible assets useful life | 5 years |  |

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- Definition Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e848-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e845-128460 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. + References No definition available. + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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