Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended
Sep. 30, 2010	Sep. 30, 2010	Sep. 30, 2011 Hussmann Divestiture [Member]	Jun. 30, 2011 Hussmann Divestiture [Member]
Impact of reclassification of earnings from equity investments from Other net to Cost of goods sold	$ 2.5	$ 8.8
increase decrease in cost of goods sold and selling general and administrative expenses	5.1	12.8
Ownership Interest, Anticipated Sale Percentage, Hussmann Business				100.00%
Cash proceeds, before purchase price adjustments			$ 370
Hussmann Parent Ownership Interest, Hussmann Business			60.00%
IR Ownership interest, Hussmann Business			40.00%

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- Definition

The percentage of the controlling owner's ownership of common stock or equity participation in the investee accounted for under the equity method of accounting by IR.

+ Details

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- Definition

Impact Of Reclassification Of Earnings From Equity Investments From Other Net To Cost Of Goods Sold

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- Definition

increase decrease in cost of goods sold and selling general and administrative expenses

+ Details

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- Definition

Proceeds From Divestiture Of Business Before Purchase Price Adjustments as contracted in the Stock Purchase Agreement

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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