Leases and Other Commitments Leases and Other Commitments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Leased Assets [Line Items]
Future minimum sublease payments due	$ 29.9
Rent expense for operating leases	118.5	127.2	127.8
Sublease rental income	5.4	4.4	2.7
Television Broadcasting [Member]
Operating Leased Assets [Line Items]
Long-term programming purchase commitment	$ 34.5