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.

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

Name:	us-gaap_ProceedsFromSaleOfEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Subsequent Event (Details) - USD ($)		3 Months Ended
Subsequent Event (Details) - USD ($)	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