Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920

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- Definition

Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Retirement Benefits - Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost of Plans (Details)	3 Months Ended				4 Months Ended	6 Months Ended		8 Months Ended	12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2021	Dec. 31, 2020	Aug. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate										2.20%	3.09%	4.11%
Expected return on plan assets										0.00%	0.00%	0.00%
Rate of compensation increase										0.00%	4.00%	4.00%
Pension Benefits \| U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate					2.99%			4.11%	2.14%
Expected return on plan assets									2.40%	4.00%	4.00%
Rate of compensation increase									0.00%	0.00%	4.00%
Pension Benefits \| U.S. Plans \| IDEX Corporation Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.36%	2.41%	2.97%	3.07%
Pension Benefits \| U.S. Plans \| Pulsafeeder, Inc. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate						3.21%	2.62%
Pension Benefits \| Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Discount rate									0.95%	1.33%	2.07%
Expected return on plan assets									2.41%	3.00%	3.12%
Rate of compensation increase									2.32%	2.29%	2.13%