Threshold defined as a percentage of minimum ownership of the total outstanding shares of Class A common stock and Class B common stock, taken as a single class.

No definition available.

+ 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

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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- Details

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Namespace Prefix:
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- Details

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Common Stock, Preferred Stock and Dividends (Detail Textuals) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Class of Stock [Line Items]
Dividends paid	$ 16,073	$ 15,827	$ 15,708
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 A common stock
Class of Stock [Line Items]
Dividends paid	$ 16,073
Class B common stock
Class of Stock [Line Items]
Common stock holder entiltled to vote per share	10 votes
Dividends paid	$ 16,073