Goodwill and Other Intangible Assets Textuals (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Amortization of Intangible Assets	$ 5.9	$ 7.2	$ 6.8
Future Amortization Expense, Year One	6.0
Future Amortization Expense, Year Two	5.4
Future Amortization Expense, Year Three	5.2
Future Amortization Expense, Year Four	5.0
Future Amortization Expense, Year Five	4.7
Amortization Of Acquired Intangible Asset Net Of Tax	5.3	6.8	6.2
Purchased Intangibles, Net of Tax	3.6	4.5	4.1
Capitalized Computer Software, Amortization	$ 18.6	$ 13.9	$ 10.8
Minimum [Member]
Finite-Lived Intangible Assets, Useful Life, Minimum	3 years
Maximum [Member]
Finite-Lived Intangible Assets, Useful Life, Minimum	45 years