Business Segment Information (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net sales:
External Customers	$ 2,204.4	$ 2,159.8	$ 5,938.6	$ 6,090.6
Inter-segment	0	0	0	0
Net sales	2,204.4	2,159.8	5,938.6	6,090.6
Operating income (loss) from continuing operations:
Operating income (loss)	225.6	126.2	440.5	289.4
Interest expense net of interest income	(13.5)	(17.9)	(42.1)	(55.2)
Miscellaneous other income (expense)	(4.7)	(0.8)	(4.3)	(5.1)
Income from continuing operations before income taxes and equity in earnings of unconsolidated affiliates	207.4	107.5	394.1	229.1
Access Equipment
Net sales:
External Customers	941.5	813.9	2,340.1	2,078.4
Inter-segment	0	0.7	0.1	124.3
Net sales	941.5	814.6	2,340.2	2,202.7
Operating income (loss) from continuing operations:
Operating income (loss)	154.5	88.2	298.4	169.7
Access Equipment | Aerial work platforms
Net sales:
External Customers	485.4	426.1	1,116.9	1,059.8
Inter-segment	0	0	0	0
Net sales	485.4	426.1	1,116.9	1,059.8
Access Equipment | Telehandlers
Net sales:
External Customers	317.3	260.8	831.6	643.4
Inter-segment	0	0	0	0
Net sales	317.3	260.8	831.6	643.4
Access Equipment | Other
Net sales:
External Customers	138.8	127.0	391.6	375.2
Inter-segment	0	0.7	0.1	124.3
Net sales	138.8	127.7	391.7	499.5
Defense
Net sales:
External Customers	878.9	957.9	2,533.4	2,994.6
Inter-segment	0.7	0.6	2.5	2.2
Net sales	879.6	958.5	2,535.9	2,996.8
Operating income (loss) from continuing operations:
Operating income (loss)	85.8	40.2	213.7	174.5
Fire and Emergency
Net sales:
External Customers	192.9	217.5	526.1	523.4
Inter-segment	11.4	12.1	34.3	27.6
Net sales	204.3	229.6	560.4	551.0
Operating income (loss) from continuing operations:
Operating income (loss)	6.5	8.1	14.6	(1.2)
Commercial
Net sales:
External Customers	191.1	170.5	539.0	494.2
Inter-segment	3.6	5.7	18.5	21.3
Net sales	194.7	176.2	557.5	515.5
Operating income (loss) from continuing operations:
Operating income (loss)	10.0	12.1	25.6	22.9
Commercial | Concrete placement
Net sales:
External Customers	101.2	67.4	256.7	166.8
Inter-segment	0	0	0	0
Net sales	101.2	67.4	256.7	166.8
Commercial | Refuse collection
Net sales:
External Customers	65.8	77.5	207.9	252.5
Inter-segment	0	0	0	0
Net sales	65.8	77.5	207.9	252.5
Commercial | Other
Net sales:
External Customers	24.1	25.6	74.4	74.9
Inter-segment	3.6	5.7	18.5	21.3
Net sales	27.7	31.3	92.9	96.2
Corporate
Operating income (loss) from continuing operations:
Operating income (loss)	(31.2)	(22.5)	(111.8)	(76.6)
Intersegment eliminations
Net sales:
External Customers	0	0	0	0
Inter-segment	(15.7)	(19.1)	(55.4)	(175.4)
Net sales	(15.7)	(19.1)	(55.4)	(175.4)
Operating income (loss) from continuing operations:
Operating income (loss)	$ 0	$ 0.1	$ 0	$ 0.1