The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

Name:	us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Significant Accounting Policies (Narrative) (Details) $ in Millions			12 Months Ended
	Jan. 01, 2018	Dec. 22, 2017	Jun. 30, 2019 USD ($) item contract	Jun. 30, 2018 USD ($) item	Jun. 30, 2017 USD ($) item
Significant Accounting Policies [Line Items]
Number of entities required to be consolidated \| item			0	0	0
Research and development expenditures \| $			$ 2.6	$ 1.8	$ 2.0
Statutory income tax rate	21.00%	35.00%
Minimum probability of tax benefit realization percentage			50.00%
South Africa [Member]
Significant Accounting Policies [Line Items]
Statutory income tax rate	28.00%		28.00%	28.00%	28.00%
Minimum [Member]
Significant Accounting Policies [Line Items]
Number of contracts in which reinsurers compensate losses arising on contracts it issues \| contract			1