Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Revenue by reporting unit for the three months ended March 31, 2021 and 2020 was as follows:

	Three Months Ended March 31,
	2021		2020
Energy	$	45,362	$	38,514
Valves	28,061		26,207
Water	61,616		58,336
Pumps	82,351		81,830
Agriculture	25,975		21,974
Intersegment elimination	(299)		(149)
Fluid & Metering Technologies	243,066		226,712
Scientific Fluidics & Optics	114,357		106,142
Sealing Solutions	65,571		55,330
Gast	32,872		27,346
Micropump	7,636		7,715
Material Processing Technologies	29,933		27,526
Intersegment elimination	(862)		(603)
Health & Science Technologies	249,507		223,456
Fire & Safety	96,810		94,068
BAND-IT	25,813		25,233
Dispensing	36,861		25,023
Intersegment elimination	(21)		(30)
Fire & Safety/Diversified Products	159,463		144,294
Total net sales	$	652,036	$	594,462

Schedule of External Net Sales Disaggregated by Geography

Revenue by geographical region for the three months ended March 31, 2021 and 2020 was as follows:

	Three Months Ended March 31, 2021
	FMT		HST		FSDP		IDEX
U.S.	$	130,961	$	93,717	$	75,502	$	300,180
North America, excluding U.S.	14,829		7,072		7,220		29,121
Europe	48,645		76,765		42,568		167,978
Asia	33,738		67,719		26,862		128,319
Other (1)	15,192		5,096		7,332		27,620
Intersegment elimination	(299)		(862)		(21)		(1,182)
Total net sales	$	243,066	$	249,507	$	159,463	$	652,036

	Three Months Ended March 31, 2020
	FMT		HST		FSDP		IDEX
U.S.	$	127,778	$	95,996	$	74,931	$	298,705
North America, excluding U.S.	13,676		5,968		6,269		25,913
Europe	44,665		67,087		40,070		151,822
Asia	26,785		51,339		16,579		94,703
Other (1)	13,957		3,669		6,475		24,101
Intersegment elimination	(149)		(603)		(30)		(782)
Total net sales	$	226,712	$	223,456	$	144,294	$	594,462

(1) Other includes: South America, Middle East, Australia and Africa.

Schedule of Contract with Customer, Asset and Liability

The composition of Customer receivables was as follows:

	March 31, 2021		December 31, 2020
Billed receivables	$	326,307	$	273,536
Unbilled receivables	13,616		14,752
Total customer receivables	$	339,923	$	288,288

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The composition of Deferred revenue was as follows:

	March 31, 2021		December 31, 2020
Deferred revenue - current	$	33,286	$	28,374
Deferred revenue - noncurrent	36,531		30,354
Total deferred revenue	$	69,817	$	58,728