Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax			$ 963
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			0
Stockholders' Equity Attributable to Parent			144,531
Stockholders' Equity Attributable to Parent	$ 190,807		190,807
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax			1
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	581	$ (745)	969	$ (884)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	4	5	13	14
Other Comprehensive Income (Loss), Net of Tax	568	(742)	964	(876)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(17)	$ (2)	(18)	$ (6)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax			961
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			0
Stockholders' Equity Attributable to Parent			(1,242)
Stockholders' Equity Attributable to Parent	(273)		(273)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax			8
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax			20
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			0
Stockholders' Equity Attributable to Parent			45
Stockholders' Equity Attributable to Parent	58		58
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax			(7)
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent			(1,214)
Stockholders' Equity Attributable to Parent	(250)		(250)
Equity Securities [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax			(18)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax			0
Stockholders' Equity Attributable to Parent			(17)
Stockholders' Equity Attributable to Parent	$ (35)		(35)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax			$ 0