Contingencies (Details) $ in Millions	3 Months Ended
	Mar. 29, 2020 USD ($) Case	Oct. 24, 2014 USD ($)
Site Contingency [Abstract]
Consent decree paid by US government | $		$ 2.3
Silica Cases [Member]
Contingencies [Abstract]
Number of pending cases	3
Cumulative number of cases dismissed	1,493
Number of cases dismissed	0
Number of lawsuits settled	1
Asbestos Cases [Member]
Contingencies [Abstract]
Number of pending cases	135
Cumulative number of cases dismissed	78
Number of new cases filed	29
Number of cases dismissed	14
Number of lawsuits settled	0
Non-AMCOL Asbestos Cases [Member]
Contingencies [Abstract]
Number of cases subject to indemnification	113
Number of remaining cases subject to indemnity until dates of exposure	16
Number of remaining cases	20
Number of remaining cases alleging exposure occurred after initial public offering	4
AMCOL Asbestos Cases [Member]
Contingencies [Abstract]
Number of remaining cases with no available indemnity	2
Bankruptcy Estate of Novinda [Member]
Contingencies [Abstract]
Litigation expenses | $	$ 11.5
Administrative Consent Order for Contamination Associated with Historic Use of PCBs [Member]
Site Contingency [Abstract]
Estimated accrued remediation cost | $	0.4
Administrative Consent Order for Installation of Groundwater Contamination System [Member]
Site Contingency [Abstract]
Estimated accrued remediation cost | $	0.4
Administrative Consent Order for Installation of Groundwater Contamination System [Member] | Minimum [Member]
Site Contingency [Abstract]
Estimated cost of wastewater treatment upgrades | $	6.0
Administrative Consent Order for Installation of Groundwater Contamination System [Member] | Maximum [Member]
Site Contingency [Abstract]
Estimated cost of wastewater treatment upgrades | $	$ 8.0