Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2011

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Summary of Operations by Reportable Segments

A summary of operations by reportable segment for the three and nine months ended September 30 is as follows:

	Three months ended							Nine months ended
In millions	2011				2010			2011				2010
Net revenues
Climate Solutions	$	2,289.7			$	2,120.8		$	6,380.0			$	5,739.6
Residential Solutions	504.4				575.4			1,569.8				1,611.4
Industrial Technologies	696.5				624.3			2,108.9				1,793.2
Security Technologies	437.9				409.8			1,269.5				1,223.2
Total	$	3,928.5			$	3,730.3		$	11,328.2			$	10,367.4
Segment operating income
Climate Solutions	$	264.3		*	$	219.8		$	631.7		*	$	451.6
Residential Solutions	19.0				57.8			67.2				143.2
Industrial Technologies	95.9				79.4			301.6				219.8
Security Technologies	88.4				90.5			250.0				243.7
Total	$	467.6			$	447.5		$	1,250.5			$	1,058.3
Reconciliation to Operating income
Loss on sale/asset impairment	(264.8		)	*	—			(651.6		)	*	—
Unallocated corporate expense	(23.1		)		(36.8		)	(80.1		)		(115.6		)
Operating income	$	179.7			$	410.7		$	518.8			$	942.7

* During the three and nine months ended September 30, 2011, the Company recorded a pre-tax loss on sale and impairment charges related to the Hussmann divestiture totaling $264.8 million and $651.6 million, respectively. These charges have been excluded from Segment operating income within the Climate Solutions segment as management excludes these charges from Operating income when making operating decisions about the business.

Hussmann Divestiture(Included in Climate Solutions) [Member]

Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]

Segment operating results related to Hussmann

Results for the Hussmann Business and Hussmann Branches for the periods ended September 30 are as follows:

	Three months ended						Nine months ended
In millions	2011				2010		2011				2010
Net revenues	$	281.8			$	319.4	$	781.7			$	839.1
Loss on sale/asset impairment	(264.8		)	*	—		(651.6		)	*	—
Net earnings (loss) attributable to Ingersoll-Rand plc	(157.9		)		26.8		(528.3		)		49.8
Diluted earnings (loss) per share attributable to Ingersoll-Rand plc ordinary shareholders:	(0.46		)		0.08		(1.52		)		0.15

* Included in Loss on sale/asset impairment for the three and nine months ended September 30, 2011 are transaction costs of $8.4 million and $11.6 million, respectively.

The operating results for the Hussmann Business and Hussmann Branches, which are included in Net revenues and Segment operating income for the Climate Solutions segment, are as follows:

	Three months ended				Nine months ended
In millions	2011		2010		2011		2010
Net revenues	$	281.8	$	319.4	$	781.7	$	839.1
Segment operating income	$	30.1	$	37.3	$	56.1	$	72.7