Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Revenue from contracts with customers	$ 175,985	$ 163,897
Plain [Member]
Revenue from contracts with customers	78,525	72,653
Roller [Member]
Revenue from contracts with customers	35,870	31,413
Ball [Member]
Revenue from contracts with customers	18,074	15,780
Engineered Products [Member]
Revenue from contracts with customers	43,516	44,051
Aerospace [Member]
Revenue from contracts with customers	104,491	103,462
Aerospace [Member] | Plain [Member]
Revenue from contracts with customers	56,384	54,471
Aerospace [Member] | Roller [Member]
Revenue from contracts with customers	16,887	15,939
Aerospace [Member] | Ball [Member]
Revenue from contracts with customers	4,004	3,645
Aerospace [Member] | Engineered Products [Member]
Revenue from contracts with customers	27,216	29,407
Industrial [Member]
Revenue from contracts with customers	71,494	60,435
Industrial [Member] | Plain [Member]
Revenue from contracts with customers	22,141	18,182
Industrial [Member] | Roller [Member]
Revenue from contracts with customers	18,983	15,474
Industrial [Member] | Ball [Member]
Revenue from contracts with customers	14,070	12,135
Industrial [Member] | Engineered Products [Member]
Revenue from contracts with customers	$ 16,300	$ 14,644