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Common Stock, Preferred Stock and Dividends (Detail Textuals) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Class of Stock [Line Items] |  |  |
Dividends paid | $ 15,827 | $ 15,708 | $ 15,595
BFI Co., LLC ("BFI") |  |  |
Class of Stock [Line Items] |  |  |
BFI ownership percentage at which the remaining Class B shares would convert to Class A | 15.00% |  |
Class B common stock |  |  |
Class of Stock [Line Items] |  |  |
Common stock holder entiltled to vote per share | 10 votes |  |

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- Definition Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644 + Details
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- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Details
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