Commitments and Contingencies (Narrative) (Details) In Millions, unless otherwise specified	12 Months Ended					12 Months Ended
	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($)	Jun. 30, 2008 GBP (£)	Dec. 31, 2001	Dec. 31, 2011 Trane [Member]	Mar. 31, 2005 Senior Notes Due in 2015 [Member] USD ($)	Dec. 31, 2001 Senior Notes Due in 2015 [Member]	Dec. 31, 2011 Segment, Discontinued Operations [Member] USD ($)	Dec. 31, 2010 Segment, Discontinued Operations [Member] USD ($)
Expense for environmental remediation	$ 3.1	$ 1.0	$ 2.5
Reserves for environmental matters	71.7	81.0							51.3	56.3
Reserve for environmental matters, current	26.9	28.1
Maximum annual inflation rate	2.50%
Minimum annual inflation rate	1.50%
Percentage of non-malignant claims, minimum	90.00%
Settled with majority of insurers						95.00%
Product Warranty Accrual, Current	245.1	253.0
Total rental expense	198.5	197.1	192.2
Minimum lease payments, due in current year	123.5
Minimum lease payments, due in second year	103.5
Minimum lease payments, due in third year	78.0
Minimum lease payments, due in fourth year	58.7
Minimum lease payments, due in fifth year	40.4
Commitments and performance guarantees	300.0
Debt Instrument, Interest Rate, Stated Percentage				8.25%	11.00%			4.75%
Principal amount of senior notes				£ 60.0			$ 300.0