Business Segments (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Information On Company's Business Segments

Information on the Company’s business segments is presented below based on the nature of products and services offered. The Company evaluates performance based on several factors, of which sales, operating income, and operating margin are the primary financial measures. Intersegment sales are accounted for at fair value as if the sales were to third parties.

	Three Months Ended   March 31,
	2018			2017
Net sales
Fluid & Metering Technologies
External customers	$	232,261		$	216,655
Intersegment sales	72			115
Total segment sales	232,333			216,770
Health & Science Technologies
External customers	220,967			199,575
Intersegment sales	108			104
Total segment sales	221,075			199,679
Fire & Safety/Diversified Products
External customers	159,096			137,322
Intersegment sales	77			125
Total segment sales	159,173			137,447
Intersegment elimination	(257		)	(344		)
Total net sales	$	612,324		$	553,552
Operating income
Fluid & Metering Technologies	$	66,166		$	57,813
Health & Science Technologies	51,806			42,238
Fire & Safety/Diversified Products	39,554			32,626
Corporate office	(20,843		)	(17,006		)
Total operating income	136,683			115,671
Interest expense	11,000			11,552
Other (income) expense - net	(4,449		)	(308		)
Income before income taxes	$	130,132		$	104,427

	March 31, 2018		December 31, 2017
Assets
Fluid & Metering Technologies	$	1,138,501	$	1,101,580
Health & Science Technologies	1,339,090		1,323,373
Fire & Safety/Diversified Products	771,702		744,515
Corporate office	236,166		230,160
Total assets	$	3,485,459	$	3,399,628