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STOCKHOLDERS' EQUITY Share Based Comp (Details 2) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 02, 2017 | Mar. 03, 2016 | Mar. 05, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | May 31, 2004
Share-based compensation arrangements |  |  |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  | $ 926,600 | $ 84,300 | $ 52,600 |
Assumptions used in valuation |  |  |  |  |  |  |
Shares of common stock contributed to employee stock trust |  |  |  | 38,000 |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |  |
Tax benefit related to stock-based compensation arrangements (in dollars) |  |  |  | $ 11,800 | $ 12,600 | 12,400 |
Stock Option |  |  |  |  |  |  |
Share-based compensation arrangements |  |  |  |  |  |  |
Grant date average contractual term on options |  |  |  | 10 years |  |  |
Options granted during period (in shares) |  |  |  | 0 |  |  |
Number of Options |  |  |  |  |  |  |
Outstanding at the beginning of the period (in shares) |  |  |  | 13,059 |  |  |
Exercised (in shares) |  |  |  | 0 |  |  |
Canceled or expired (in shares) |  |  |  | (10,472) |  |  |
Outstanding at the end of the period (in shares) |  |  |  | 2,587 | 13,059 |  |
Exercisable at the end of the period (in shares) |  |  |  | 2,587 |  |  |
Vested at the end of the period (in shares) |  |  |  | 2,587 |  |  |
Weighted Average Exercise Price Per Share |  |  |  |  |  |  |
Outstanding at the beginning of the period (in dollars per share) |  |  |  | $ 65.17 |  |  |
Exercised (in dollars per share) |  |  |  | 0.00 |  |  |
Canceled or expired (in dollars per share) |  |  |  | 65.07 |  |  |
Outstanding at the end of the period (in dollars per share) |  |  |  | 65.57 | $ 65.17 |  |
Exercisable at the end of the period (in dollars per share) |  |  |  | 65.57 |  |  |
Vested at the end of the period (in dollars per share) |  |  |  | $ 65.57 |  |  |
Weighted Average Remaining Contractual Life (in years) |  |  |  |  |  |  |
Outstanding at the end of the period (in years) |  |  |  | 0 years |  |  |
Exercisable at the end of the period (in years) |  |  |  | 0 years |  |  |
Vested at the end of the period (in years) |  |  |  | 0 years |  |  |
Aggregate Intrinsic Value |  |  |  |  |  |  |
Outstanding at the end of the period (in dollars) |  |  |  | $ 0 |  |  |
Exercisable at the end of the period (in dollars) |  |  |  | 0 |  |  |
Vested at the end of the period (in dollars) |  |  |  | 0 |  |  |
Restricted Stock Awards |  |  |  |  |  |  |
Assumptions used in valuation |  |  |  |  |  |  |
Unrecognized compensation costs (in dollars) |  |  |  | $ 40,000 |  |  |
Weighted average period of unrecognized compensation costs will be recognized (in years) |  |  |  | 1 year 9 months 24 days |  |  |
Total fair value of shares vested (in dollars) |  |  |  | $ 36,000 | $ 35,100 | $ 42,600 |
Restricted Stock Awards |  |  |  |  |  |  |
Nonvested at the beginning of the period (in shares) |  |  |  | 3,531,188 |  |  |
Granted (in shares) |  |  |  | 1,542,697 |  |  |
Vested (in shares) |  |  |  | (1,252,563) |  |  |
Canceled or expired (in shares) |  |  |  | (710,265) |  |  |
Nonvested at the end of the period (in shares) |  |  |  | 3,111,057 | 3,531,188 |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |  |
Nonvested at the beginning of the period (in dollars per shares) |  |  |  | $ 25.42 |  |  |
Granted (in dollars per shares) |  |  |  | 32.54 | $ 23.95 | $ 26.83 |
Vested (in dollars per shares) |  |  |  | 28.76 |  |  |
Cancelled or expired (in dollars per shares) |  |  |  | 21.86 |  |  |
Nonvested at the end of the period (in dollars per shares) |  |  |  | $ 28.68 | $ 25.42 |  |
Market Condition Award |  |  |  |  |  |  |
Aggregate Intrinsic Value |  |  |  |  |  |  |
Number of shares of restricted stock with fair value based on market condition, instead of market price (in shares) |  |  |  | 700,000 |  |  |
Terex Corporation 2009 Omnibus Incentive Plan (the 2009 Plan) |  |  |  |  |  |  |
Share-based compensation arrangements |  |  |  |  |  |  |
Shares available for grant (in shares) |  |  |  | 2,200,000 |  |  |
Terex Corporation 2009 Omnibus Incentive Plan (the 2009 Plan) | Maximum |  |  |  |  |  |  |
Share-based compensation arrangements |  |  |  |  |  |  |
Shares authorized for issuance (in shares) |  |  |  | 8,000,000 |  |  |
Terex Corporation 2000 Incentive Plan (the 2000 Plan) |  |  |  |  |  |  |
Share-based compensation arrangements |  |  |  |  |  |  |
Shares authorized for issuance (in shares) |  |  |  |  |  |  | 12,000,000
All Company Stock Plans | Restricted Stock |  |  |  |  |  |  |
Aggregate Intrinsic Value |  |  |  |  |  |  |
Percentage of awards that vest evenly over three year period (as a percent) |  |  |  | 60.00% |  |  |
Percentage of awards that vest at end of three year period (as a percent) |  |  |  | 15.00% |  |  |
Percentage of awards subject to performance or market conditions (as a percent) |  |  |  | 25.00% |  |  |
March 2, 2017 | Market Condition Award |  |  |  |  |  |  |
Assumptions used in valuation |  |  |  |  |  |  |
Dividend yields (as a percent) | 1.01% |  |  |  |  |  |
Expected volatility (as a percent) | 42.78% |  |  |  |  |  |
Risk-free interest rate (as a percent) | 1.55% |  |  |  |  |  |
Expected life (in years) | 3 years |  |  |  |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |  |
Granted (in dollars per shares) | $ 36.48 |  |  |  |  |  |
March 3, 2016 | Market Condition Award |  |  |  |  |  |  |
Assumptions used in valuation |  |  |  |  |  |  |
Dividend yields (as a percent) |  | 1.22% |  |  |  |  |
Expected volatility (as a percent) |  | 45.59% |  |  |  |  |
Risk-free interest rate (as a percent) |  | 0.97% |  |  |  |  |
Expected life (in years) |  | 3 years |  |  |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |  |
Granted (in dollars per shares) |  | $ 29.24 |  |  |  |  |
March 5, 2015 | Market Condition Award |  |  |  |  |  |  |
Assumptions used in valuation |  |  |  |  |  |  |
Dividend yields (as a percent) |  |  | 0.91% |  |  |  |
Expected volatility (as a percent) |  |  | 45.48% |  |  |  |
Risk-free interest rate (as a percent) |  |  | 0.98% |  |  |  |
Expected life (in years) |  |  | 3 years |  |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |  |
Granted (in dollars per shares) |  |  | $ 28.10 |  |  |  |
March 5, 2015 | Market Condition Award |  |  |  |  |  |  |
Assumptions used in valuation |  |  |  |  |  |  |
Dividend yields (as a percent) |  |  | 0.91% |  |  |  |
Expected volatility (as a percent) |  |  | 37.00% |  |  |  |
Risk-free interest rate (as a percent) |  |  | 0.58% |  |  |  |
Expected life (in years) |  |  | 2 years |  |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |  |
Granted (in dollars per shares) |  |  | $ 25.60 |  |  |  |
Share repurchase program approved by Board of Directors [Member] |  |  |  |  |  |  |
Share-based compensation arrangements |  |  |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  |  | $ 923,700 | $ 81,300 | $ 50,000 |
Treasury Stock, Shares, Acquired |  |  |  | 25,700,000 | 3,500,000 | 1,900,000 |

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- Definition Represents the percentage of shares or portion of an award that are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares and be entitled to the cash proceeds of such sale on each of the first three anniversary dates of the grant. + References No definition available. + Details
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- Definition The number of shares of common stock issued to a trust (for example, a 'rabbi trust') set up specifically to accumulate stock for the sole purpose of distribution to participating employees. This trust does not allow employees to immediately or after a holding period diversify into nonemployer securities. The deferred compensation plan for which this trust is set up must be settled by the delivery of a fixed number of shares of employer stock. + References No definition available. + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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