Retirement Plans (Details) (USD $)	3 Months Ended	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Retirement Plans [Abstract]
Service cost	$ 0us-gaap_DefinedBenefitPlanServiceCost	$ 0us-gaap_DefinedBenefitPlanServiceCost	$ 0us-gaap_DefinedBenefitPlanServiceCost	$ 0us-gaap_DefinedBenefitPlanServiceCost
Interest cost	33,000us-gaap_DefinedBenefitPlanInterestCost	43,000us-gaap_DefinedBenefitPlanInterestCost	68,000us-gaap_DefinedBenefitPlanInterestCost	86,000us-gaap_DefinedBenefitPlanInterestCost
Expected return on plan assets	(15,000)	(15,000)	(31,000)	(30,000)
Amortization of net (gain) loss	10,000	4,000	21,000	9,000
Net periodic benefit cost	28,000	32,000	58,000	65,000
German Subsidiary Defined Benefit Plan [Member]
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]
Employer contributions	5,000	6,000	11,000	13,000
United States Defined Contribution Plan [Member]
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]
Employer contributions	83,000	82,000	220,000	180,000
Employer matching contribution (in hundredths)			50.00%
Employee contribution subject to employer match (in hundredths)			5.00%
United Kingdom Defined Contribution Plan [Member]
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]
Employer contributions	$ 14,000	$ 18,000	$ 28,000	$ 35,000
Employee contribution subject to employer match (in hundredths)			100.00%
Minimum [Member] \| United Kingdom Defined Contribution Plan [Member]
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]
Employer matching contribution (in hundredths)			4.00%
Maximum [Member] \| United Kingdom Defined Contribution Plan [Member]
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]
Employer matching contribution (in hundredths)			7.00%

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- Definition

The amount of the transition obligation or asset recognized in net periodic benefit cost.

+ References

+ Details

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- Definition

An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Expected Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512136

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 60

-Glossary Expected Return on Plan Assets

-URI http://asc.fasb.org/extlink&oid=6512171

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)(3)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References

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- Definition

The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

+ References

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- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of 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 (h)(1)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Service Cost (Component of Net Periodic Pension Cost)

-URI http://asc.fasb.org/extlink&oid=6525008

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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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=6414718&loc=d3e28014-114942

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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