Goodwill and Intangible Assets (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2017 USD ($)
Goodwill [Line Items]
Beginnning balance	$ 268,042
Translation adjustments	81
Ending balance	268,123
Roller [Member]
Goodwill [Line Items]
Beginnning balance	16,007
Translation adjustments
Ending balance	16,007
Plain [Member]
Goodwill [Line Items]
Beginnning balance	79,597
Translation adjustments
Ending balance	79,597
Ball [Member]
Goodwill [Line Items]
Beginnning balance	5,623
Translation adjustments
Ending balance	5,623
Engineered Products [Member]
Goodwill [Line Items]
Beginnning balance	166,815
Translation adjustments	81
Ending balance	$ 166,896