Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

A summary by the Company’s reportable segments follows for the years ended December 31:

Twelve months ended December 31, 2022	U.S. Operations		Swiss Operations		Western European Operations		Chinese Operations		Other Operations		Total
Product Revenue	$	1,113,983	$	139,490	$	581,168	$	777,276	$	506,804	$	3,118,721
Service Revenue:
Point in time	256,837		27,800		134,781		46,931		121,786		588,135
Over time	73,640		8,829		83,982		17,319		29,083		212,853
Total	$	1,444,460	$	176,119	$	799,931	$	841,526	$	657,673	$	3,919,709

Twelve months ended December 31, 2021	U.S. Operations		Swiss Operations		Western European Operations		Chinese Operations		Other Operations		Total
Product Revenue	$	1,004,891	$	135,987	$	600,527	$	707,355	$	511,855	$	2,960,615
Service Revenue:
Point in time	218,306		26,764		151,656		48,343		120,860		565,929
Over time	64,786		8,882		77,578		15,953		24,187		191,386
Total	$	1,287,983	$	171,633	$	829,761	$	771,651	$	656,902	$	3,717,930

Twelve months ended December 31, 2020	U.S. Operations		Swiss Operations		Western European Operations		Chinese Operations		Other Operations		Total
Product Revenue	$	815,046	$	112,542	$	509,385	$	526,231	$	441,968	$	2,405,172
Service Revenue:
Point in time	199,247		22,733		135,793		39,705		110,542		508,020
Over time	58,026		8,648		71,537		12,674		21,100		171,985
Total	$	1,072,319	$	143,923	$	716,715	$	578,610	$	573,610	$	3,085,177

The Company's global revenue mix by product category for the year ended December 31, 2022 is laboratory (57% of sales), industrial (38% of sales), and retail (5% of sales). The Company’s product revenue by reportable segment is proportionately similar to the Company’s global mix with the exception of the Company’s Swiss Operations, which is largely comprised of laboratory products, and the Company’s Chinese Operations, which has a slightly higher percentage of industrial products. A breakdown of the Company’s sales by product category for the year ended December 31 follows:

	2022		2021		2020
Laboratory	$	2,230,381	$	2,083,025	$	1,669,791
Industrial	1,510,554		1,446,544		1,224,497
Retail	178,774		188,361		190,889
Total net sales	$	3,919,709	$	3,717,930	$	3,085,177

A breakdown of net sales to external customers by geographic customer destination, net for the year ended December 31 follows:

	2022		2021		2020
Americas	$	1,582,493	$	1,419,832	$	1,180,626
Europe	1,014,360		1,062,961		921,266
Asia/Rest of World	1,322,856		1,235,137		983,285
Total	$	3,919,709	$	3,717,930	$	3,085,177

Contract with Customer, Asset and Liability [Table Text Block]

	2022		2021		2020
Beginning balances as of January 1	$	192,648	$	149,106	$	122,489
Customer prepayments/deferred revenue	731,482		711,067		617,643
Revenue recognized	(720,362)		(667,245)		(595,802)
Foreign currency translation	(11,009)		(280)		4,776
Ending balance as of December 31	$	192,759	$	192,648	$	149,106