CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Apr. 01, 2017
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 832	$ 603
Preferred Stock, No Par Value	$ 0	$ 0
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	0	0
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized	100,000,000	100,000,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 83,159	$ 112,075
Finite-Lived Intangible Assets, Accumulated Amortization	$ 22,766	$ 21,994
Common Stock, Shares, Issued	34,387,000	33,260,000
Common Stock, Shares, Outstanding	34,387,000	33,260,000