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Aggregate dividends declared during the period for each share of common stock outstanding.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses in other comprehensive income.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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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).

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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.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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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.

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Percentage of vesting of award under share-based payment arrangement.

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Amount of stock repurchase plan authorized.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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STOCKHOLDERS' EQUITY - Capital Stock Information (Details) - USD ($)		3 Months Ended													12 Months Ended
	May 31, 2021	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jul. 31, 2018
Common stock, shares issued (in shares)			83,400,000				82,900,000								83,400,000	82,900,000
Common Stock, unissued shares (in shares)			216,600,000												216,600,000
Shares of common stock in treasury (in shares)			14,200,000				14,300,000								14,200,000	14,300,000
Value of treasury stock on an average cost basis (in dollars)			$ 459,700,000				$ 459,200,000								$ 459,700,000	$ 459,200,000
Preferred stock, shares authorized (in shares)			50,000,000												50,000,000
Preferred stock, par value per share (in dollars per share)			$ 0.01												$ 0.01
Preferred stock, shares outstanding (in shares)			0				0								0	0
Tax benefit related to stock-based compensation arrangements (in dollars)															$ 5,100,000	$ 3,500,000	$ 7,300,000
Common stock authorized to repurchase																			$ 300,000,000
Common stock dividends declared (in dollars per share)			$ 0.12	$ 0.12	$ 0.12	$ 0.12	$ 0	$ 0	$ 0	$ 0.12	$ 0.11	$ 0.11	$ 0.11	$ 0.11
Subsequent Event
Common stock dividends declared (in dollars per share)		$ 0.13
Common Stock
Common stock, shares outstanding (in shares)			69,200,000				68,600,000				70,400,000				69,200,000	68,600,000	70,400,000	69,600,000
Shares of common stock in treasury (in shares)			14,200,000												14,200,000
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Tax benefit (provition) included in accumulated other comprehensive income			$ 9,900,000												$ 9,900,000
Derivative Hedging Adjustment
Tax benefit (provition) included in accumulated other comprehensive income			(1,400,000)												(1,400,000)
Debt & Equity Securities Adjustment
Tax benefit (provition) included in accumulated other comprehensive income			(100,000)												(100,000)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Tax benefit (provition) included in accumulated other comprehensive income			$ 2,100,000												$ 2,100,000
Stock Options and Restricted Stock
Common Stock reserved for contingently issuable shares (in shares)			1,900,000												1,900,000
Restricted Stock, Time-Based
Percentage of awards vesting															58.00%
Performance Shares
Percentage of awards vesting															28.00%
Market Condition Award
Percentage of awards vesting															14.00%
Number of shares of restricted stock with fair value based on market condition, instead of market price (in shares)															400,000
Restricted Stock Awards
Unrecognized compensation costs (in dollars)			$ 36,000,000												$ 36,000,000
Weighted average period of unrecognized compensation costs will be recognized (in years)															1 year 7 months 6 days
Total fair value of shares vested (in dollars)															$ 23,000,000	$ 37,200,000	$ 44,100,000
Granted (in dollars per shares)															$ 44.26	$ 22.42	$ 33.84
All Company Stock Plans
Number of common shares held in rabbi trust (in shares)			600,000												600,000
Value of common shares held in rabbi trust (in dollars)			$ 16,900,000												$ 16,900,000
Terex Corporation 2018 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	2,000,000
Shares available for grant (in shares)			3,300,000												3,300,000