Restructuring Charges (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2011
Information regarding restructuring charges
Charges Incurred in 2011	$ 14.4
Charges Incurred to Date	79.5
Total Charges Expected to be Incurred	81.7
Details activity within the restructuring reserves
Balance as of December 31,2010		7.2
Charged to Earnings		14.4
Cash Utilization		(11.4)
Non-Cash Utilization and Other		(0.4)
Balance as of September 30, 2011	9.8	9.8
Residential Heating & Cooling [Member]
Information regarding restructuring charges
Charges Incurred in 2011	2.2
Charges Incurred to Date	17.8
Total Charges Expected to be Incurred	19.8
Commercial Heating & Cooling [Member]
Information regarding restructuring charges
Charges Incurred in 2011	0.1
Charges Incurred to Date	16.6
Total Charges Expected to be Incurred	16.8
Service Experts [Member]
Information regarding restructuring charges
Charges Incurred in 2011	4.9
Charges Incurred to Date	8.2
Total Charges Expected to be Incurred	8.3
Refrigeration [Member]
Information regarding restructuring charges
Charges Incurred in 2011	1.7
Charges Incurred to Date	19.9
Total Charges Expected to be Incurred	19.9
Corporate & Other [Member]
Information regarding restructuring charges
Charges Incurred in 2011	5.5
Charges Incurred to Date	17.0
Total Charges Expected to be Incurred	17.0
Severance and related expense [Member]
Information regarding restructuring charges
Charges Incurred in 2011	2.1
Charges Incurred to Date	46.6
Total Charges Expected to be Incurred	47.0
Details activity within the restructuring reserves
Balance as of December 31,2010		6.2
Charged to Earnings		2.1
Cash Utilization		(3.8)
Balance as of September 30, 2011	4.5	4.5
Asset write-offs and accelerated depreciation [Member]
Information regarding restructuring charges
Charges Incurred in 2011	0.4
Charges Incurred to Date	11.5
Total Charges Expected to be Incurred	11.5
Details activity within the restructuring reserves
Balance as of December 31,2010		0
Charged to Earnings		0.4
Non-Cash Utilization and Other		(0.4)
Balance as of September 30, 2011	0	0
Equipment moves [Member]
Information regarding restructuring charges
Charges Incurred in 2011	0.6
Charges Incurred to Date	1.8
Total Charges Expected to be Incurred	2.3
Details activity within the restructuring reserves
Balance as of December 31,2010		0
Charged to Earnings		0.6
Cash Utilization		(0.6)
Balance as of September 30, 2011	0	0
Lease termination [Member]
Information regarding restructuring charges
Charges Incurred in 2011	6.0
Charges Incurred to Date	8.4
Total Charges Expected to be Incurred	8.4
Details activity within the restructuring reserves
Balance as of December 31,2010		0.3
Charged to Earnings		6.0
Cash Utilization		(1.0)
Balance as of September 30, 2011	5.3	5.3
Other [Member]
Information regarding restructuring charges
Charges Incurred in 2011	5.3
Charges Incurred to Date	11.2
Total Charges Expected to be Incurred	12.6
Details activity within the restructuring reserves
Balance as of December 31,2010		0.7
Charged to Earnings		5.3
Cash Utilization		(6.0)
Balance as of September 30, 2011	$ 0	$ 0

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Amount of costs incurred to date for the specified type of restructuring cost.

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Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Reserve increase representing the amount charged against earnings in the period for a specified incurred and estimated type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of consideration other than cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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