Business Combinations - Narrative (Details) - USD ($) $ in Thousands							2 Months Ended	12 Months Ended
	Oct. 08, 2019	Mar. 25, 2019	Feb. 01, 2019	Jan. 11, 2019	Jun. 11, 2018	May 03, 2018	Mar. 02, 2020	Dec. 28, 2019	May 03, 2019
Business Acquisition [Line Items]
Measurement period adjustments								$ 0
California Environmental & Litho
Business Acquisition [Line Items]
Total consideration	$ 500
All Valley Disposal
Business Acquisition [Line Items]
Total consideration		$ 600
All Valley Disposal | Maximum
Business Acquisition [Line Items]
Total consideration		$ 1,300
WSS
Business Acquisition [Line Items]
Total consideration			$ 500
GlyEco
Business Acquisition [Line Items]
Total consideration				$ 1,600
PPI
Business Acquisition [Line Items]
Total consideration						$ 5,900
Increase to property, plant, & equipment						200
Increase to other intangible assets						1,500
Decrease to contingent consideration						100
Measurement period adjustments						$ 1,800
Performance metrics period						3 years
Minimum contingent consideration									$ 0
Maximum contingent consideration									$ 1,500
HTSC
Business Acquisition [Line Items]
Total consideration					$ 700
HTSC | Forecast
Business Acquisition [Line Items]
Contingent considered to be paid							$ 100