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Segment Reporting - Revenues and Income Before Income Taxes by Geographic Area (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 25, 2018 | May 26, 2018 | Feb. 24, 2018 | Nov. 25, 2017 | Aug. 26, 2017 | May 27, 2017 | Feb. 25, 2017 | Nov. 26, 2016 | Aug. 25, 2018 | Aug. 26, 2017 | Aug. 27, 2016
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 434,063 | $ 427,384 | $ 419,264 | $ 415,778 | $ 403,589 | $ 409,834 | $ 391,427 | $ 386,108 | $ 1,696,489 | $ 1,590,958 | $ 1,468,046
Income before income taxes | $ 42,853 | $ 47,792 | $ 43,568 | $ 53,033 | $ (7,677) | $ 39,362 | $ 37,374 | $ 46,064 | 187,246 | 115,123 | 203,371
United States |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,559,780 | 1,472,432 | 1,352,101
Income before income taxes |  |  |  |  |  |  |  |  | 184,605 | 109,741 | 197,441
Europe, Canada, Mexico and Nicaragua |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income before income taxes |  |  |  |  |  |  |  |  | 2,641 | 5,382 | 5,930
Europe and Canada |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 136,709 | $ 118,526 | $ 115,945

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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