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Restructuring Charges (Details Textual1) (USD $)
In Millions
3 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Refrigeration [Member]
Mar. 31, 2010
Refrigeration [Member]
OEM Coil [Member]
Mar. 31, 2010
Refrigeration [Member]
OEM Coil [Member]
Employee Severance [Member]
Mar. 31, 2010
Refrigeration [Member]
OEM Coil [Member]
Asset Impairment Charges [Member]
Mar. 31, 2010
Refrigeration [Member]
OEM Coil [Member]
Other Charges [Member]
Sep. 30, 2010
Refrigeration [Member]
Contract Coil [Member]
Sep. 30, 2010
Refrigeration [Member]
Contract Coil [Member]
Employee Severance [Member]
Sep. 30, 2010
Refrigeration [Member]
Contract Coil [Member]
Other Charges [Member]
Sep. 30, 2010
Refrigeration [Member]
Contract Coil [Member]
Asset Impairment and Accelerated Depreciation [Member]
Sep. 30, 2010
Refrigeration [Member]
Contract Coil [Member]
Other Plant Closure Costs [Member]
Jun. 30, 2011
Service Experts [Member]
Jun. 30, 2010
Service Experts [Member]
Administrative Functions [Member]
Employee Severance [Member]
Jun. 30, 2010
Service Experts [Member]
Administrative Functions [Member]
Lease Termination and Other Costs [Member]
Jun. 30, 2010
Service Experts [Member]
Administrative Functions [Member]
Other Charges [Member]
Restructuring Charges (Textuals) [Abstract]                              
Restructuring charges $ 73.7 $ 5.5 $ 5.3 $ 3.9 $ 1.2 $ 0.2 $ 4.8 $ 3.1 $ 1.3 $ 0.4   $ 23.6      
Restructuring and related costs 76.7 5.5                   24.0 1.6    
Lease termination charges                           0.2  
Other charges                     $ 0       $ 1.0