Goodwill and Other Intangible Assets, Net - Narrative (Details)	12 Months Ended
Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($) reporting_unit
Goodwill [Line Items]
Goodwill impairment	$ 0	$ 0	$ 12,500,000
Number of reporting units (reporting unit) \| reporting_unit			2
Impairment of intangible assets			$ 1,100,000
Amortization expense	6,800,000	$ 6,800,000	7,300,000
Estimated annual amortization expense for 2019	6,900,000
Estimated annual amortization expense for 2020	6,900,000
Estimated annual amortization expense for 2021	6,900,000
Estimated annual amortization expense for 2022	6,900,000
Estimated annual amortization expense for 2023	$ 6,900,000
Performance Engineered Products
Goodwill [Line Items]
Impairment of intangible assets			$ 1,100,000

Number Of Impaired Reporting Units

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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