Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (11,400)	$ (6,105)	$ (21,147)	$ (6,581)
Other comprehensive income (loss)
Foreign Currency Translation Adjustment	2,063	19	5,172	(1,803)
Defined Benefit Pension
Actuarial gain (loss), net of taxes of $41, $137, $95, and $138	64	215	149	216
Amounts reclassified into results of operations, net of taxes of $12, ($70), $24, and ($207)	19	(110)	37	(324)
Derivative Instruments
Net change in fair value of cash flow hedges, net of taxes of ($141), ($189), ($568), and ($283)	(221)	(295)	(888)	(443)
Amounts reclassified into results of operations, net of taxes of $470, $185, $717, and $330	736	289	1,122	516
Other comprehensive income (loss)	2,661	118	5,592	(1,838)
Comprehensive income (loss)	$ (8,739)	$ (5,987)	$ (15,555)	$ (8,419)