Segment Reporting - Summary of Financial Information by Reportable Segment and Geography (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Segment Reporting Information [Line Items]
Net Sales	$ 394,147	$ 398,597	$ 1,164,068	$ 1,148,855
Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	127,750	131,234	379,772	396,313
Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	155,979	151,478	463,870	395,338
Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	117,256	123,227	340,835	377,877
Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	(6,838)	(7,342)	(20,409)	(20,673)
TAIWAN, PROVINCE OF CHINA
Segment Reporting Information [Line Items]
Net Sales	74,871	78,633	222,186	211,151
TAIWAN, PROVINCE OF CHINA | Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	23,186	25,436	69,943	79,653
TAIWAN, PROVINCE OF CHINA | Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	32,521	34,452	102,216	80,556
TAIWAN, PROVINCE OF CHINA | Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	19,164	18,745	50,027	50,942
TAIWAN, PROVINCE OF CHINA | Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	0	0	0	0
UNITED STATES
Segment Reporting Information [Line Items]
Net Sales	101,072	85,622	280,328	255,753
UNITED STATES | Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	40,176	33,014	106,590	99,543
UNITED STATES | Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	31,186	24,205	83,860	65,794
UNITED STATES | Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	36,548	35,745	110,287	111,089
UNITED STATES | Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	(6,838)	(7,342)	(20,409)	(20,673)
KOREA, REPUBLIC OF
Segment Reporting Information [Line Items]
Net Sales	65,875	59,839	189,987	187,311
KOREA, REPUBLIC OF | Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	18,441	21,088	55,463	62,206
KOREA, REPUBLIC OF | Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	27,239	18,893	81,585	58,698
KOREA, REPUBLIC OF | Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	20,195	19,858	52,939	66,407
KOREA, REPUBLIC OF | Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	0	0	0	0
JAPAN
Segment Reporting Information [Line Items]
Net Sales	48,164	51,669	148,091	157,883
JAPAN | Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	13,587	12,141	40,354	40,707
JAPAN | Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	25,160	27,479	74,976	82,016
JAPAN | Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	9,417	12,049	32,761	35,160
JAPAN | Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	0	0	0	0
CHINA
Segment Reporting Information [Line Items]
Net Sales	50,597	58,290	150,369	145,583
CHINA | Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	14,699	18,667	49,269	50,373
CHINA | Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	23,544	27,360	68,247	56,417
CHINA | Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	12,354	12,263	32,853	38,793
CHINA | Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	0	0	0	0
Europe
Segment Reporting Information [Line Items]
Net Sales	30,238	35,351	98,851	104,167
Europe | Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	7,806	7,579	24,235	23,345
Europe | Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	9,845	10,873	32,022	30,963
Europe | Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	12,587	16,899	42,594	49,859
Europe | Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	0	0	0	0
Southeast Asia
Segment Reporting Information [Line Items]
Net Sales	23,330	29,193	74,256	87,007
Southeast Asia | Specialty Chemicals and Electronic Materials SCEM
Segment Reporting Information [Line Items]
Net Sales	9,855	13,309	33,918	40,486
Southeast Asia | Microcontamination Control
Segment Reporting Information [Line Items]
Net Sales	6,484	8,216	20,964	20,894
Southeast Asia | Advanced Materials Handling AMH
Segment Reporting Information [Line Items]
Net Sales	6,991	7,668	19,374	25,627
Southeast Asia | Inter-segment Eliminations
Segment Reporting Information [Line Items]
Net Sales	$ 0	$ 0	$ 0	$ 0