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Intangible Assets Including Goodwill - Carrying Value of Goodwill By Segment (Details) (USD $) In Thousands, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Jun. 30, 2013
Goodwill [Line Items] |  |  |  |
Goodwill, Acquired During Period | $ 36,311 | [1] |  |
Goodwill |  |  | 55,836 |
Cumulative impairment loss |  |  | (25,000) | [2]
Goodwill | 67,122 |  |  |
Goodwill [Roll Forward] |  |  |  |
Net balance at June 30, 2013 | 30,836 |  |  |
Translation adjustment | (25) |  |  |
Net balance at December 31, 2013 | 67,122 |  |  |
Electrical Infrastructure [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Acquired During Period | 0 | [1] |  |
Goodwill |  |  | 29,666 |
Cumulative impairment loss |  |  | (17,653) | [2]
Goodwill | 12,013 |  |  |
Goodwill [Roll Forward] |  |  |  |
Net balance at June 30, 2013 | 12,013 |  |  |
Translation adjustment | 0 |  |  |
Net balance at December 31, 2013 | 12,013 |  |  |
Oil Gas & Chemical [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Acquired During Period | 0 | [1] |  |
Goodwill |  |  | 8,088 |
Cumulative impairment loss |  |  | (3,000) | [2]
Goodwill | 5,088 |  |  |
Goodwill [Roll Forward] |  |  |  |
Net balance at June 30, 2013 | 5,088 |  |  |
Translation adjustment | 0 |  |  |
Net balance at December 31, 2013 | 5,088 |  |  |
Storage Solutions [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Acquired During Period | 0 | [1] |  |
Goodwill |  |  | 10,985 |
Cumulative impairment loss |  |  | (922) | [2]
Goodwill | 10,038 |  |  |
Goodwill [Roll Forward] |  |  |  |
Net balance at June 30, 2013 | 10,063 |  |  |
Translation adjustment | (25) | [1] |  |
Net balance at December 31, 2013 | 10,038 |  |  |
Industrial [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Acquired During Period |  | [1] |  |
Goodwill |  |  | 7,097 |
Cumulative impairment loss |  |  | (3,425) | [2]
Goodwill | 3,672 |  |  |
Goodwill [Roll Forward] |  |  |  |
Net balance at June 30, 2013 | 3,672 |  |  |
Translation adjustment | 0 |  |  |
Net balance at December 31, 2013 | 3,672 |  |  |
Other Segments [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Acquired During Period | 36,311 | [1] |  |
Goodwill |  |  | 0 |
Cumulative impairment loss |  |  | 0 | [2]
Goodwill | 36,311 |  |  |
Goodwill [Roll Forward] |  |  |  |
Net balance at June 30, 2013 | 0 |  |  |
Translation adjustment | 0 |  |  |
Net balance at December 31, 2013 | $ 36,311 |  |  |
[1] | (B)
[2] | A $25.0 million impairment charge was recorded in February 2005 as a result of the Company’s operating performance in fiscal 2005.

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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