Business Combinations-Pro Forma Information (Details) - Stauber Performance Ingredients [Member] $ / shares in Units, $ in Thousands	12 Months Ended
Apr. 03, 2016 USD ($) $ / shares
Scenario, Previously Reported [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Pro forma net sales \| $	$ 413,976
Pro forma net income \| $	$ 18,143
Pro forma basic earnings per share \| $ / shares	$ 1.72
Pro forma diluted earnings per share \| $ / shares	$ 1.72
Scenario, Adjustment [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Pro forma net sales \| $	$ 87,691
Pro forma net income \| $	$ 4,809
Pro forma basic earnings per share \| $ / shares	$ 0.46
Pro forma diluted earnings per share \| $ / shares	$ 0.45
Pro Forma [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Pro forma net sales \| $	$ 501,667
Pro forma net income \| $	$ 22,952
Pro forma basic earnings per share \| $ / shares	$ 2.18
Pro forma diluted earnings per share \| $ / shares	$ 2.17

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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