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Subsequent Event (Details) - USD ($) |  | 3 Months Ended
--- | --- | ---
Oct. 01, 2015 | Aug. 31, 2015 | Aug. 31, 2014
Subsequent Event [Line Items] |  |  |
Proceeds from sale of equity method investment |  | $ 0 | $ 29,933,000
Shred-it | Discontinued Operations | Subsequent Event |  |  |
Subsequent Event [Line Items] |  |  |
Proceeds from sale of equity method investment | $ 578,000,000 |  |
Estimated additional consideration subject to holdback provisions (up to) | $ 34,000,000.0 |  |

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- Definition Equity Method Investment, Estimated Additional Net Sales Proceeds + References No definition available. + Details
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- Definition The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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