Business Combinations-Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 23, 2015	Apr. 01, 2018	Apr. 02, 2017	Apr. 03, 2016
Business Acquisition [Line Items]
Goodwill		$ 58,440	$ 97,556	$ 97,724
Total purchase price		$ 0	$ 2,199	$ 159,199
Stauber Performance Ingredients [Member]
Business Acquisition [Line Items]
Cash Acquired from Acquisition	$ 1,502
Accounts receivable	16,023
Inventory	10,207
Other assets	900
Property, plant, and equipment	10,989
Intangible assets	71,459
Accounts payable	(5,398)
Accrued expenses and other current liabilities	(2,925)
Deferred income taxes	(28,565)
Other non-current liabilities	(77)
Net assets acquired	74,115
Goodwill	84,061
Total preliminary purchase price	158,176
Less acquired cash	(1,502)
Total purchase price	156,674
Restricted Cash and Cash Equivalents	$ 7,300