Summary of Financial Information for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Segment Reporting Information [Line Items]
Net sales	$ 317,377	$ 267,024
Total Segment Profit	81,997	59,467
Specialty Chemicals and Electronic Materials SCEM [Member]
Segment Reporting Information [Line Items]
Net sales	114,435	101,107
Total Segment Profit	28,140	22,416
Microcontamination Control [Member]
Segment Reporting Information [Line Items]
Net sales	100,055	77,619
Total Segment Profit	35,581	18,140
Advanced Materials Handling AMH [Member]
Segment Reporting Information [Line Items]
Net sales	102,887	88,298
Total Segment Profit	$ 18,276	$ 18,911