Retirement Plans - (Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 05, 2020	Jun. 30, 2019
United States Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	132	154
Expected return on plan assets	(65)	(112)
Amortization and deferral	133	52
Net periodic benefit cost	200	94
International Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	235	235
Interest cost	327	376
Expected return on plan assets	(447)	(538)
Amortization and deferral	244	253
Net periodic benefit cost	$ 359	$ 326