Goodwill (Details) (USD $) In Millions	6 Months Ended			6 Months Ended
Jun. 30, 2011	Jun. 30, 2011 Residential Heating & Cooling [Member]	Dec. 31, 2010 Residential Heating & Cooling [Member]	Jun. 30, 2011 Commercial Heating & Cooling [Member]	Jun. 30, 2011 Service Experts [Member]	Jun. 30, 2011 Refrigeration [Member]
Goodwill
Goodwill, Beginning Balance	$ 271.8	$ 33.7	$ 33.7	$ 30.0	$ 116.6	$ 91.5
Goodwill Acquisition Disposition During Period	44.9				2.9	42.0
Other	9.2			1.6	3.9	3.7
Goodwill, Ending Balance	325.9	33.7	33.7	31.6	123.4	137.2
Goodwill (Textual) [Abstract]
Accumulated impairment losses					208.0
Acquired additional goodwill					$ 2.9	$ 42.0

Accumulated Impairment Losses Goodwill.

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- Definition

Goodwill Acquisition Disposition During Period.

+ Details

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- Definition

Goodwill other adjustment.

+ Details

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- Definition

Goodwill Textual Abstract.

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- Definition

Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 43

+ Details

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- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph e(1)

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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