Stock-based Compensation (Restricted Stock Units) (Details) - Restricted stock units - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Sep. 30, 2017	Oct. 01, 2016
Stock-based Compensation Arrangements [Line Items]
Vesting period	3 years
Stock-based Compensation, Nonvested, Shares (in 000's) [Roll Forward]
Outstanding, beginning (in shares)	340
Granted (in shares)	420
Vested (in shares)	(223)
Forfeited (in shares)	(25)
Outstanding, ending (in shares)	512
Stock-based Compensation, Nonvested, Weighted Average Grant Date Fair Value (Per Share) [Roll Forward]
Outstanding, beginning (in dollars per share)	$ 14.24
Granted (in dollars per share)	8.03
Vested (in dollars per share)	12.38
Forfeited (in dollars per share)	13.66
Outstanding, ending (in dollars per share)	$ 9.99
Total fair value of shares vested	$ 1,894	$ 2,039
Total unrecognized pre-tax stock-based compensation expense related to non-vested shares	$ 3,636
Weighted-average period of recognition	2 years 1 month