Supplemental Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Supplemental Cash Flow Information [Abstract]
Cash paid for interest	$ 110.7		$ 130.6		$ 138.9
Cash paid for income taxes, net of refunds	111.8	[1]	95.7	[1]	102.0	[1]
Proceeds from Income Tax Refunds	$ 15.0		$ 23.5		$ 25.4

[1] Refunds of $15.0, $23.5 and $25.4 were received for the years ended December 31, 2013, 2012 and 2011, respectively.