Restructuring, Impairment and Transaction-Related Charges (Schedule of Restructuring Reserves) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Restructuring Reserve [Roll Forward]
Balance, beginning of period	$ 33.3
Expense from continuing operations	25.9
Cash payments	(20.2)
Non-cash adjustments	(3.7)
Balance, end of period	35.3
Employee Terminations [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	6.1
Expense from continuing operations	3.4
Cash payments	(3.2)
Non-cash adjustments	0
Balance, end of period	6.3
Impairment Charges [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	0
Expense from continuing operations	3.7
Cash payments	0
Non-cash adjustments	(3.7)
Balance, end of period	0
Transaction-Related Charges [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	0.9
Expense from continuing operations	3.0
Cash payments	(3.1)
Non-cash adjustments	0
Balance, end of period	0.8
Integration Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	3.5
Expense from continuing operations	5.4
Cash payments	(5.0)
Non-cash adjustments	0
Balance, end of period	3.9
Other Restructuring Charges [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	22.8
Expense from continuing operations	10.4
Cash payments	(8.9)
Non-cash adjustments	0
Balance, end of period	$ 24.3