BUSINESS SEGMENT INFORMATION (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) segments	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting Information
Number of reportable segments | segments	3
Number of customers accounting for more than 10% of consolidated sales	0
Net sales	$ 5,125.0	$ 4,363.4	$ 4,443.1
Income (loss) from operations	293.3	179.9	(141.8)
Depreciation and Amortization	59.7	66.1	74.3
Capital Expenditures	103.8	43.5	58.1
Identifiable Assets	3,485.9	3,462.5
Long-lived Assets	345.6	311.0
United States
Segment Reporting Information
Long-lived Assets	193.5	178.7
United Kingdom
Segment Reporting Information
Long-lived Assets	61.4	37.0
Germany
Segment Reporting Information
Long-lived Assets	38.2	42.2
Other European countries
Segment Reporting Information
Long-lived Assets	18.8	16.6
All other
Segment Reporting Information
Long-lived Assets	33.7	36.5
North America
Segment Reporting Information
Net sales	2,825.6	2,355.1	2,258.7
Western Europe
Segment Reporting Information
Net sales	1,179.0	1,009.3	1,194.7
Asia-Pacific
Segment Reporting Information
Net sales	646.2	595.8	555.6
Rest of World
Segment Reporting Information
Net sales	474.2	403.2	434.1
Aerial Work Platforms
Segment Reporting Information
Net sales	2,132.0	1,720.7	1,638.5
Mobile Cranes
Segment Reporting Information
Net sales	773.8	693.9	752.8
Materials Processing Equipment
Segment Reporting Information
Net sales	877.1	726.9	640.8
Other
Segment Reporting Information
Net sales	1,342.1	1,188.6	1,135.7
Compact Construction Equipment
Segment Reporting Information
Net sales		33.3	275.3
Operating Segments | Aerial Work Platforms
Segment Reporting Information
Net sales	2,559.7	2,071.5	1,977.8
Income (loss) from operations	261.0	170.3	177.4
Depreciation and Amortization	17.8	19.4	19.9
Capital Expenditures	28.7	14.1	17.1
Identifiable Assets	1,634.0	1,358.5
Operating Segments | Aerial Work Platforms | North America
Segment Reporting Information
Net sales	1,621.4	1,244.9	1,181.2
Operating Segments | Aerial Work Platforms | Western Europe
Segment Reporting Information
Net sales	529.8	404.1	392.1
Operating Segments | Aerial Work Platforms | Asia-Pacific
Segment Reporting Information
Net sales	256.9	242.6	239.5
Operating Segments | Aerial Work Platforms | Rest of World
Segment Reporting Information
Net sales	151.6	179.9	165.0
Operating Segments | Cranes
Segment Reporting Information
Net sales	1,315.0	1,194.0	1,274.5
Income (loss) from operations	(45.3)	(14.1)	(318.5)
Depreciation and Amortization	19.4	19.2	21.5
Capital Expenditures	34.8	15.2	13.2
Identifiable Assets	1,541.0	1,685.7
Operating Segments | Cranes | North America
Segment Reporting Information
Net sales	612.0	501.1	506.9
Operating Segments | Cranes | Western Europe
Segment Reporting Information
Net sales	266.7	303.8	362.5
Operating Segments | Cranes | Asia-Pacific
Segment Reporting Information
Net sales	179.9	180.6	178.0
Operating Segments | Cranes | Rest of World
Segment Reporting Information
Net sales	256.4	208.5	227.1
Operating Segments | Materials Processing
Segment Reporting Information
Net sales	1,256.8	1,072.5	944.5
Income (loss) from operations	167.5	125.1	86.6
Depreciation and Amortization	7.2	7.3	6.9
Capital Expenditures	32.7	6.3	7.5
Identifiable Assets	1,071.3	1,219.5
Operating Segments | Materials Processing | North America
Segment Reporting Information
Net sales	518.4	507.0	464.3
Operating Segments | Materials Processing | Western Europe
Segment Reporting Information
Net sales	381.8	282.6	249.1
Operating Segments | Materials Processing | Asia-Pacific
Segment Reporting Information
Net sales	207.9	160.4	106.4
Operating Segments | Materials Processing | Rest of World
Segment Reporting Information
Net sales	148.7	122.5	124.7
Operating Segments | Aerial Work Platforms | Aerial Work Platforms
Segment Reporting Information
Net sales	2,128.5	1,718.0	1,635.2
Operating Segments | Aerial Work Platforms | Cranes
Segment Reporting Information
Net sales	0.0	0.0	0.0
Operating Segments | Aerial Work Platforms | Materials Processing
Segment Reporting Information
Net sales	0.0	0.0	0.0
Operating Segments | Mobile Cranes | Aerial Work Platforms
Segment Reporting Information
Net sales	0.0	0.0	5.4
Operating Segments | Mobile Cranes | Cranes
Segment Reporting Information
Net sales	768.2	691.9	746.0
Operating Segments | Mobile Cranes | Materials Processing
Segment Reporting Information
Net sales	0.0	0.0	0.0
Operating Segments | Materials Processing Equipment | Aerial Work Platforms
Segment Reporting Information
Net sales	0.0	0.0	0.0
Operating Segments | Materials Processing Equipment | Cranes
Segment Reporting Information
Net sales	0.0	0.0	0.0
Operating Segments | Materials Processing Equipment | Materials Processing
Segment Reporting Information
Net sales	877.0	726.9	640.6
Operating Segments | Other | Aerial Work Platforms
Segment Reporting Information
Net sales	431.2	353.5	328.3
Operating Segments | Other | Cranes
Segment Reporting Information
Net sales	546.8	502.1	528.5
Operating Segments | Other | Materials Processing
Segment Reporting Information
Net sales	379.8	345.6	303.9
Operating Segments | Compact Construction Equipment | Aerial Work Platforms
Segment Reporting Information
Net sales		0.0	8.9
Operating Segments | Compact Construction Equipment | Cranes
Segment Reporting Information
Net sales		0.0	0.0
Operating Segments | Compact Construction Equipment | Materials Processing
Segment Reporting Information
Net sales		0.0	0.0
Corporate and Other / Eliminations
Segment Reporting Information
Net sales	(6.5)	25.4	246.3
Income (loss) from operations	(89.9)	(101.4)	(87.3)
Depreciation and Amortization	15.3	20.2	26.0
Capital Expenditures	7.6	7.9	20.3
Identifiable Assets	(760.4)	(801.2)
Corporate and Other / Eliminations | North America
Segment Reporting Information
Net sales	73.8	102.1	106.3
Corporate and Other / Eliminations | Western Europe
Segment Reporting Information
Net sales	0.7	18.8	191.0
Corporate and Other / Eliminations | Asia-Pacific
Segment Reporting Information
Net sales	1.5	12.2	31.7
Corporate and Other / Eliminations | Rest of World
Segment Reporting Information
Net sales	(82.5)	(107.7)	(82.7)
Corporate and Other / Eliminations | Aerial Work Platforms
Segment Reporting Information
Net sales	3.5	2.7	3.3
Corporate and Other / Eliminations | Mobile Cranes
Segment Reporting Information
Net sales	5.6	2.0	1.4
Corporate and Other / Eliminations | Materials Processing Equipment
Segment Reporting Information
Net sales	0.1	0.0	0.2
Corporate and Other / Eliminations | Other
Segment Reporting Information
Net sales	$ (15.7)	(12.6)	(25.0)
Corporate and Other / Eliminations | Compact Construction Equipment
Segment Reporting Information
Net sales		$ 33.3	$ 266.4