Summary of Significant Accounting Policies (Details 4) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated financial information of the Company's operations by geographic location
Net sales	$ 1,889.0	$ 2,055.3	$ 2,209.7	$ 2,288.3	$ 2,033.9	$ 2,138.6	$ 2,049.5	$ 1,912.7	$ 8,442.3	$ 8,134.7	$ 6,312.8
Long-lived assets	3,580.3				3,331.2				3,580.3	3,331.2	2,968.0
Share-Based Compensation
Share-based compensation expense									23.0	21.3	17.3
Foreign Currencies
Net gain (loss) resulting from foreign currency transactions									1.7	(5.9)	0.2
United States
Consolidated financial information of the Company's operations by geographic location
Net sales									7,861.3	7,647.4	6,023.6
Long-lived assets	3,270.9				3,035.1				3,270.9	3,035.1	2,807.8
Foreign Countries
Consolidated financial information of the Company's operations by geographic location
Net sales									581.0	487.3	289.2
Long-lived assets	$ 309.4				$ 296.1				$ 309.4	$ 296.1	$ 160.2