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Intangible Assets Including Goodwill (Tables)
3 Months Ended
Sep. 30, 2021
Finite-Lived Intangible Assets [Line Items]  
Schedule of Goodwill [Table Text Block]
The changes in the carrying value of goodwill by segment are as follows:
Utility and Power InfrastructureProcess and Industrial FacilitiesStorage and Terminal SolutionsTotal
 (In thousands)
Net balance at June 30, 2021$6,984 $26,878 $26,774 $60,636 
Translation adjustment(1)
(30)(8)(58)(96)
Net balance at September 30, 2021$6,954 $26,870 $26,716 $60,540 
(1)The translation adjustments relate to the periodic translation of Canadian Dollar and South Korean Won denominated goodwill recorded as a part of prior acquisitions in Canada and South Korea, in which the local currency was determined to be the functional currency.
Schedule Of Intangible Assets Excluding Goodwill Table [Text Block]
Information on the carrying value of other intangible assets is as follows:
  At September 30, 2021
  
Useful LifeGross Carrying
Amount
Accumulated
Amortization
Net Carrying
Amount
 (Years)(In thousands)
Intellectual property10 to 15$2,483 $(2,074)$409 
Customer-based6 to 1517,260 (11,575)5,685 
Total amortizing intangible assets$19,743 $(13,649)$6,094 
 
  At June 30, 2021
 Useful LifeGross Carrying
Amount
Accumulated
Amortization
Net Carrying
Amount
 (Years)(In thousands)
Intellectual property10 to 15$2,483 $(2,031)$452 
Customer-based6 to 1517,354 (11,192)6,162 
Total amortizing intangible assets$19,837 $(13,223)$6,614 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Period ending:
Remainder of Fiscal 2022$1,297 
Fiscal 20231,729 
Fiscal 20241,416 
Fiscal 20251,097 
Fiscal 2026555 
Total estimated remaining amortization expense at September 30, 2021$6,094