Equity Incentive Plan - Vesting (Details) - $ / shares	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Restricted Stock
Equity Transactions
Vesting period	3 years
Shares
Nonvested at the beginning of the period (in shares)	2,141,047	2,131,790	1,245,504
Granted (in shares)	1,210,502	1,268,311	1,704,843
Vested (in shares)	(1,339,492)	(1,084,046)	(722,577)
Forfeited or canceled (in shares)	(335,150)	(175,008)	(95,980)
Nonvested at the end of the period (in shares)	1,676,907	2,141,047	2,131,790
Weighted-Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)	$ 12.34	$ 12.46	$ 22.30
Granted (in dollars per share)	16.68	12.70	10.13
Vested (in dollars per share)	12.29	12.94	22.24
Forfeited or canceled (in dollars per share)	14.31	12.69	20.25
Nonvested at the end of the period (in dollars per share)	$ 15.12	$ 12.34	$ 12.46
Restricted Stock \| Independent contractors
Shares
Granted (in shares)	0
Performance Share Units
Shares
Nonvested at the beginning of the period (in shares)	1,043,602	1,089,602
Granted (in shares)	138,241	52,000	1,154,602
Vested (in shares)	(320,340)
Forfeited or canceled (in shares)	(152,524)	(98,000)	(65,000)
Nonvested at the end of the period (in shares)	708,979	1,043,602	1,089,602
Weighted-Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)	$ 13.16	$ 12.91
Granted (in dollars per share)	12.81	18.97	$ 12.92
Vested (in dollars per share)	12.62
Forfeited or canceled (in dollars per share)	14.00	13.45	13.45
Nonvested at the end of the period (in dollars per share)	$ 13.15	$ 13.16	$ 12.91
Option holders right (per option)	1
Performance Share Units \| Maximum
Weighted-Average Grant Date Fair Value
Vesting period.	3 years
Performance Share Units \| Minimum
Weighted-Average Grant Date Fair Value
Vesting period.	2 years
Performance Share Units \| Quarterly Period Beginning November 15, 2017
Weighted-Average Grant Date Fair Value
Earned award vesting percentage	30.00%
Performance Share Units \| Period After August 15, 2018
Weighted-Average Grant Date Fair Value
Earned award vesting percentage	70.00%
Vesting Performance \| Restricted Stock
Shares
Granted (in shares)	557,189
Vested (in shares)	(275,135)
Nonvested at the end of the period (in shares)	632,888
Vesting Performance \| Restricted Stock \| Executives
Shares
Granted (in shares)	46,845
Weighted-Average Grant Date Fair Value
Granted (in dollars per share)	$ 17.40
Vest immediately upon achievement of the performance goals \| Restricted Stock \| Executives
Weighted-Average Grant Date Fair Value
Earned award vesting percentage	20.00%
Vest ratably in semi-annual intervals until the applicable anniversary from grant date \| Restricted Stock \| Executives
Equity Transactions
Vesting period	3 years
Weighted-Average Grant Date Fair Value
Earned award vesting percentage	80.00%

Represents the right of instrument holders to receive shares of the company after satisfying the stipulated conditions.

No definition available.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, 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 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

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No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

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