Condensed Consolidated Statements of Comprehensive Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net revenues	$ 3,150.7	$ 3,273.8
Cost of goods sold	(2,249.4)	(2,368.6)
Selling and administrative expenses	(689.6)	(677.1)
Gain (loss) on sale/asset impairment	0.3	(186.3)
Operating income	212.0	41.8
Interest expense	(69.4)	(68.3)
Other, net	(0.2)	4.9
Earnings (loss) before income taxes	142.4	(21.6)
Provision for income taxes	(38.0)	(40.8)
Earnings (loss) from continuing operations	104.4	(62.4)
Discontinued operations, net of tax	(2.2)	(9.1)
Net earnings (loss)	102.2	(71.5)
Less: Net earnings attributable to noncontrolling interests	(6.6)	(6.1)
Net earnings (loss) attributable to Ingersoll-Rand plc	95.6	(77.6)
Amounts attributable to Ingersoll-Rand plc ordinary shareholders:
Continuing operations	97.8	(68.5)
Discontinued operations	(2.2)	(9.1)
Net earnings (loss) attributable to Ingersoll-Rand plc	95.6	(77.6)
Basic:
Continuing operations (in dollars per share)	$ 0.33	$ (0.21)
Discontinued operations (in dollars per share)	$ (0.01)	$ (0.02)
Net earnings (in dollars per share)	$ 0.32	$ (0.23)
Diluted:
Continuing operations (in dollars per share)	$ 0.31	$ (0.21)
Discontinued operations (in dollars per share)	$ 0.00	$ (0.02)
Net earnings (in dollars per share)	$ 0.31	$ (0.23)
Weighted-average shares outstanding
Basic	299.2	331.1
Diluted	312.4	331.1
Dividends declared per ordinary share	$ 0.00	$ 0.07
Total comprehensive income	267.2	119.6
Less: Total comprehensive income attributable to noncontrolling interests	(6.6)	(6.1)
Total comprehensive income attributable to Ingersoll-Rand plc	$ 260.6	$ 113.5