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Acquisitions - Schedule of Preliminary Valuation and Amortization Period of Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Aug. 31, 2017 | May 31, 2017
Business Acquisition [Line Items] |  |
Intangible assets acquired | $ 455 |
G&K Services |  |
Business Acquisition [Line Items] |  |
Intangible assets acquired | $ 536,000 |
Service contracts | G&K Services |  |
Business Acquisition [Line Items] |  |
Intangible assets acquired |  | $ 519,000
Amortization period (in years) |  | 15 years
Trade names | G&K Services |  |
Business Acquisition [Line Items] |  |
Intangible assets acquired |  | $ 17,000
Amortization period (in years) |  | 3 years

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + 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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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References No definition available. + Details
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