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Basis Of Presentation And Consolidation (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		9 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014	Sep. 30, 2014	Dec. 31, 2014	Jun. 30, 2014
Aquila [Member]
Sales to related party	$ 1,870	$ 965	$ 3,673	$ 3,041
Aquila [Member] \| Adjustment [Member]
Sales to related party		284		2,360	2,360	215
Nagase-Landauer, Ltd. [Member]
Sales to related party	109	315	755	720
Nagase-Landauer, Ltd. [Member] \| Adjustment [Member]
Sales to related party		$ 31		$ 99	$ 179	$ 271	$ 616	$ 80

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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