CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Statement - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Net (loss) income	$ 4,260	$ (9,675)	$ 7,162	$ (9,793)
Foreign currency translation adjustment, net of taxes	180	47	388	(139)
Accumulated other comprehensive loss related to benefit plan obligations, net of taxes	5	5	9	9
Net unrealized (loss) gain on available-for-sale securities, net of taxes	0	(1)	(1)	(4)
Other Comprehensive Income (Loss), Net of Tax	185	51	396	(134)
Comprehensive (loss) income	$ 4,445	$ (9,624)	$ 7,558	$ (9,927)