Property, Plant and Equipment (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Property Plant and Equipment (Textual) [Abstract]
Depreciation expense	$ 43.8	$ 44.6
Carrying amount of capitalized computer software included in Machinery and equipment	83.9		84.9
Computer software [Member]
Property Plant and Equipment (Textual) [Abstract]
Depreciation expense	$ 6.2	$ 6.7