Employee Benefit Plans - Weighted-average Assumptions Used to Determine Benefit Obligations (Details)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Pension Plan
Discount rate used to determine pension expense
Discount rate	3.22%	4.23%	3.64%
Discount rate used to determine value of obligations
Discount rate	2.50%	3.22%	4.23%
Long term rate of return	6.25%	7.00%	7.00%
LaBarge Retirement Plan
Discount rate used to determine pension expense
Discount rate	2.85%	4.00%	3.40%
Discount rate used to determine value of obligations
Discount rate	1.85%	2.85%	4.00%

Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Expected Long Term Return on Assets

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation 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)(1)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

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

+ References

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- References

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