v3.26.1
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) (Details) - EBP 001
12 Months Ended
Dec. 31, 2025
USD ($)
EBP, Schedule of Asset Held for Investment [Line Items]  
Entity tax identification number 62-0873631
Plan number 001
Current Value $ 402,556,814
Minimum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Interest Rate 4.25%
Maximum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Interest Rate 10.50%
Investment, Identifier [Axis]: American Funds | High Income Tr Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value $ 1,722,279
Investment, Identifier [Axis]: Astec Industries, Inc. | Common stock  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 2,421,295
Investment, Identifier [Axis]: Columbia | Strategic Income Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 2,356,248
Investment, Identifier [Axis]: Empower Annuity Insurance Company | Large Cap Growth JPMorgan Investment Management Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 36,263,529
Investment, Identifier [Axis]: Fidelity | 500 Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 62,983,937
Investment, Identifier [Axis]: Fidelity | International Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 23,807,615
Investment, Identifier [Axis]: Fidelity | Mid Cap Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 16,676,250
Investment, Identifier [Axis]: Fidelity | Small Cap Index  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 3,190,230
Investment, Identifier [Axis]: Goldman Sachs | Small Cap Growth Insights Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 886,880
Investment, Identifier [Axis]: Goldman Sachs | Small Cap Value Insights Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 3,426,018
Investment, Identifier [Axis]: Great Gray Trust Company, LLC | Mid Cap Value Select Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 569,546
Investment, Identifier [Axis]: J.P. Morgan | Equity Income Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 10,438,922
Investment, Identifier [Axis]: J.P. Morgan | Mid Cap Growth Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 6,095,305
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2025 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 12,261,607
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2030 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 37,460,471
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2035 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 21,841,752
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2040 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 34,675,860
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2045 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 14,757,845
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2050 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 14,060,470
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2055 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 13,017,164
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2060 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 11,244,036
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement 2065 Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 1,823,998
Investment, Identifier [Axis]: J.P. Morgan | Smart Retirement Income Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 12,421,866
Investment, Identifier [Axis]: PIMCO | Total Return Institutional Bond Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 5,106,705
Investment, Identifier [Axis]: Participant loans | Interest rates ranging from 4.25%-10.5%, maturity varies through 2043  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 9,185,413
Investment, Identifier [Axis]: Prudential | Core Conservative Intermediate Bond Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 30,388,839
Investment, Identifier [Axis]: Prudential | Synthetic GIC Wrapper  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 1,216,507
Investment, Identifier [Axis]: Schwab | Brokerage accounts  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 5,286,214
Investment, Identifier [Axis]: T. Rowe Price | Overseas Stock Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value 5,895,105
Investment, Identifier [Axis]: Vanguard | Treasury Money Market  
EBP, Schedule of Asset Held for Investment [Line Items]  
Current Value $ 1,074,908