Segment Information-Textual (Details) $ in Millions	3 Months Ended		12 Months Ended
	Apr. 03, 2016 USD ($)	Dec. 27, 2015 USD ($)	Apr. 02, 2017 USD ($) Segment Customer	Apr. 03, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments (segment) | Segment			3
Number of customers representing 10% or more of revenue (customers) | Customer			0
Intersegment Sales			$ 0.0
Number of Operating Segments Aggregated | Segment			0
Stauber Performance Ingredients [Member]
Segment Reporting Information [Line Items]
Business Combination, Acquisition Related Costs	$ 0.6	$ 2.7		$ 3.3
Health and Nutrition [Member] | Scenario, Actual [Member]
Segment Reporting Information [Line Items]
Corporate expenses allocated to segments			$ 1.9
Industrial [Member] | Scenario, Plan [Member]
Segment Reporting Information [Line Items]
Corporate expenses allocated to segments			1.2
Water Treatment [Member] | Scenario, Plan [Member]
Segment Reporting Information [Line Items]
Corporate expenses allocated to segments			$ 0.7