CONSOLIDATING FINANCIAL STATEMENTS - Cash Flows (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
Net Cash Provided by (Used in) Operating Activities	$ 116.6	$ 163.1
Cash flows from investing activities
Capital expenditures	(58.6)	(60.9)
Proceeds from disposition of discontinued operations	162.2	0.7
Proceeds from sale of assets	3.0	45.2
Intercompany investing activities	0	0
Other investing activities, net	(7.4)	(1.4)
Net Cash Provided by (Used in) Investing Activities	99.2	(16.4)
Cash flows from financing activities
Repayments of debt	(1,519.9)	(503.5)
Proceeds from issuance of debt	1,411.7	293.6
Purchase of noncontrolling interest	(73.4)	(228.1)
Distributions to noncontrolling interest	0	(18.4)
Share repurchases	(61.5)	(1.1)
Dividends paid	(16.5)	0
Intercompany financing activities	0	0
Other financing activities, net	(2.0)	9.6
Net Cash Provided by (Used in) Financing Activities	(261.6)	(447.9)
Effect of exchange rate changes on cash and cash equivalents	(17.8)	(6.2)
Net Increase (Decrease) in Cash and Cash Equivalents	(63.6)	(307.4)
Cash and Cash Equivalents at Beginning of Period	408.1	678.0
Cash and Cash Equivalents at End of Period	344.5	370.6
Terex Corporation
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
Net Cash Provided by (Used in) Operating Activities	(189.3)	324.1
Cash flows from investing activities
Capital expenditures	(4.1)	(6.7)
Proceeds from disposition of discontinued operations	31.3	(2.8)
Proceeds from sale of assets	0	4.4
Intercompany investing activities	212.6	(307.8)
Other investing activities, net	0	0
Net Cash Provided by (Used in) Investing Activities	239.8	(312.9)
Cash flows from financing activities
Repayments of debt	(752.0)	(9.0)
Proceeds from issuance of debt	794.2	9.0
Purchase of noncontrolling interest	0	0
Distributions to noncontrolling interest		0
Share repurchases	(61.5)	(1.1)
Dividends paid	(16.5)
Intercompany financing activities	0	0
Other financing activities, net	2.1	2.4
Net Cash Provided by (Used in) Financing Activities	(33.7)	1.3
Effect of exchange rate changes on cash and cash equivalents	0	0
Net Increase (Decrease) in Cash and Cash Equivalents	16.8	12.5
Cash and Cash Equivalents at Beginning of Period	16.3	39.6
Cash and Cash Equivalents at End of Period	33.1	52.1
Wholly-owned Guarantors
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
Net Cash Provided by (Used in) Operating Activities	175.2	(168.5)
Cash flows from investing activities
Capital expenditures	(21.7)	(18.0)
Proceeds from disposition of discontinued operations	0	0
Proceeds from sale of assets	2.2	34.4
Intercompany investing activities	0	(18.8)
Other investing activities, net	0	0
Net Cash Provided by (Used in) Investing Activities	(19.5)	(2.4)
Cash flows from financing activities
Repayments of debt	(1.1)	0
Proceeds from issuance of debt	7.3	0
Purchase of noncontrolling interest	0	0
Distributions to noncontrolling interest		0
Share repurchases	0	0
Dividends paid	0
Intercompany financing activities	(163.6)	174.0
Other financing activities, net	0	0
Net Cash Provided by (Used in) Financing Activities	(157.4)	174.0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net Increase (Decrease) in Cash and Cash Equivalents	(1.7)	3.1
Cash and Cash Equivalents at Beginning of Period	3.9	0.4
Cash and Cash Equivalents at End of Period	2.2	3.5
Non-guarantor Subsidiaries
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
Net Cash Provided by (Used in) Operating Activities	130.7	7.5
Cash flows from investing activities
Capital expenditures	(32.8)	(36.2)
Proceeds from disposition of discontinued operations	130.9	3.5
Proceeds from sale of assets	0.8	6.4
Intercompany investing activities	0	(0.6)
Other investing activities, net	(7.4)	(1.4)
Net Cash Provided by (Used in) Investing Activities	91.5	(28.3)
Cash flows from financing activities
Repayments of debt	(766.8)	(494.5)
Proceeds from issuance of debt	610.2	284.6
Purchase of noncontrolling interest	(73.4)	(228.1)
Distributions to noncontrolling interest		(18.4)
Share repurchases	0	0
Dividends paid	0
Intercompany financing activities	(49.0)	153.2
Other financing activities, net	(4.1)	7.2
Net Cash Provided by (Used in) Financing Activities	(283.1)	(296.0)
Effect of exchange rate changes on cash and cash equivalents	(17.8)	(6.2)
Net Increase (Decrease) in Cash and Cash Equivalents	(78.7)	(323.0)
Cash and Cash Equivalents at Beginning of Period	387.9	638.0
Cash and Cash Equivalents at End of Period	309.2	315.0
Intercompany Eliminations
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
Net Cash Provided by (Used in) Operating Activities	0	0
Cash flows from investing activities
Capital expenditures	0	0
Proceeds from disposition of discontinued operations	0	0
Proceeds from sale of assets	0	0
Intercompany investing activities	(212.6)	327.2
Other investing activities, net	0	0
Net Cash Provided by (Used in) Investing Activities	(212.6)	327.2
Cash flows from financing activities
Repayments of debt	0	0
Proceeds from issuance of debt	0	0
Purchase of noncontrolling interest	0	0
Distributions to noncontrolling interest		0
Share repurchases	0	0
Dividends paid	0
Intercompany financing activities	212.6	(327.2)
Other financing activities, net	0	0
Net Cash Provided by (Used in) Financing Activities	212.6	(327.2)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net Increase (Decrease) in Cash and Cash Equivalents	0	0
Cash and Cash Equivalents at Beginning of Period	0	0
Cash and Cash Equivalents at End of Period	$ 0	$ 0