Benefit plans.

No definition available.

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- Definition

Percentage of defined contribution plan by plan participants.

+ References

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

Amount included in accumulated other comprehensive income (AOCI) related to gain (loss) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Amount included in accumulated other comprehensive income (AOCI) related to prior service cost (credit) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position.

+ References

No definition available.

+ Details

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- Definition

The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Health Care Cost Trend Rate

-URI http://asc.fasb.org/extlink&oid=6514820

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (l)

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

+ Details

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- Definition

The ultimate trend rate for health care costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (l)

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

+ Details

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

+ Details

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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- Details

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Benefit Plans Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
Benefit Plans Textuals (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Benefit Plans (Textuals) [Abstract]
Percentage of defined contribution plan by plan participants	50.00%
Assumed health care cost trend rates used in measuring the accumulated benefit obligation for retiree health care benefits	6.80%	7.00%
Assumed health care cost trend rates used in measuring the accumulated benefit obligation for retiree health care 2023 rate	5.00%
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated net actuarial gain (loss)	$ (914)
Estimated prior service cost	(86)
Expected contribution to benefit plans in 2015	5,300
Postretirement Health Coverage [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated net actuarial gain (loss)	211
Estimated prior service cost	271
Expected contribution to benefit plans in 2015	170
401(k) [Member]
Benefit Plans (Textuals) [Abstract]
Defined contribution plan cost	3,156	$ 2,788	$ 11,231
KERP [Member]
Benefit Plans (Textuals) [Abstract]
Defined contribution plan cost	$ 300	$ 234	$ 233