Intangible Assets and Goodwill (Future Amortization Expense) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Future Amortization Expense, Remainder of Fiscal Year	$ 19.9
Future Amortization Expense, 2015	5.9
Future Amortization Expense, 2016	4.5
Future Amortization Expense, 2017	4.6
Future Amortization Expense, 2018	4.6
Future Amortization Expense, 2019	4.2
Future Amortization Expense, after Year 2020	$ 3.7