Return on planned assets.

No definition available.

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- Definition

Represents the fair value of the Company's common stock.

+ References

No definition available.

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- Definition

The Company's fixed contribution toward medical benefits annual premium rates for retirees 65 and Older.

+ References

No definition available.

+ Details

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- Definition

The interest rate used to adjust for the time value of money for the plan.

+ 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 (k)(1)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
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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)
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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

+ 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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-Name Accounting Standards Codification
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Note 12 - Employee Benefit and Retirement Plans (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Maximum [Member] \| Equity Securities [Member]
Defined Benefit Plan, Target Plan Asset Allocations		70.00%
Maximum [Member] \| Company Stock [Member]
Defined Benefit Plan, Target Plan Asset Allocations		20.00%
Maximum [Member] \| Cash and Debt Securities [Member]
Defined Benefit Plan, Target Plan Asset Allocations		60.00%
Maximum [Member]
Fixed Contribution Toward Medical Premium for Retirees 65 and Older		$ 28.50
Minimum [Member] \| Equity Securities [Member]
Defined Benefit Plan, Target Plan Asset Allocations		40.00%
Minimum [Member] \| Company Stock [Member]
Defined Benefit Plan, Target Plan Asset Allocations		10.00%
Minimum [Member] \| Cash and Debt Securities [Member]
Defined Benefit Plan, Target Plan Asset Allocations		30.00%
Minimum [Member]
Fixed Contribution Toward Medical Premium for Retirees 65 and Older		$ 23
US Plan [Member] \| Scenario, Forecast [Member]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Expected Long Term Return on Assets	5.00%
US Plan [Member]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Expected Long Term Return on Assets		5.50%	6.00%	6.00%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		3.77%	4.49%	4.29%
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year		$ 4,100,000
UK Plan [Member] \| Scenario, Forecast [Member]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Expected Long Term Return on Assets	3.60%
UK Plan [Member]
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Expected Long Term Return on Assets		4.77%	5.45%	5.40%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		3.00%	3.90%	4.30%
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year		$ 1,000,000
Non-qualified Domestic Pension Plan [Member]
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year		$ 45,000
Post Retirement Medical and Life Insurance Plan [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		3.77%	4.49%	4.29%
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year		$ 396,000
Pension Expense		22,200,000	$ 4,600,000	$ 5,000,000
Defined Contribution Plan, Employer Discretionary Contribution Amount		800,000	800,000	$ 1,200,000
Fair Value of the Company's Common Stock		$ 9,700,000	$ 12,500,000