Goodwill and Intangible Assets (Details) $ in Thousands	3 Months Ended
Jun. 30, 2018 USD ($)
Goodwill [Line Items]
Goodwill Beginnning Balance	$ 268,124
Translation adjustments	(2)
Goodwill Ending Balance	268,122
Roller [Member]
Goodwill [Line Items]
Goodwill Beginnning Balance	16,007
Translation adjustments
Goodwill Ending Balance	16,007
Plain [Member]
Goodwill [Line Items]
Goodwill Beginnning Balance	79,597
Translation adjustments
Goodwill Ending Balance	79,597
Ball [Member]
Goodwill [Line Items]
Goodwill Beginnning Balance	5,623
Translation adjustments
Goodwill Ending Balance	5,623
Engineered Products [Member]
Goodwill [Line Items]
Goodwill Beginnning Balance	166,897
Translation adjustments	(2)
Goodwill Ending Balance	$ 166,895

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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+ References

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