Segment Reporting Revenues by Division (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Sales Information
Revenue from Contract with Customer, Excluding Assessed Tax	$ 3,717,930	$ 3,085,177	$ 3,008,652
Revenues	3,717,930	3,085,177	3,008,652
Laboratory products and services [Member]
Segment Sales Information
Revenue from Contract with Customer, Excluding Assessed Tax	2,083,025
Revenues		1,669,791	1,578,625
Industrial products and services [Member]
Segment Sales Information
Revenue from Contract with Customer, Excluding Assessed Tax	1,446,544
Revenues		1,224,497	1,233,970
Retail products and services [Member]
Segment Sales Information
Revenue from Contract with Customer, Excluding Assessed Tax	$ 188,361
Revenues		$ 190,889	$ 196,057