Share-Based Compensation And Capital Stock Pretax Stock-Based Compensation Expenses And Associated Income Tax Benefits (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pretax Stock-based Compensation Expense	$ 11.5	$ 11.3	$ 11.2
Income Tax Benefits	4.2	4.1	4.1
Stock Options [Member]
Pretax Stock-based Compensation Expense	1.8	2.1	2.8
Restricted Stock [Member]
Pretax Stock-based Compensation Expense	7.5	7.5	7.7
Performance Vested Restricted Stock Units [Member]
Pretax Stock-based Compensation Expense	$ 2.2	$ 1.7	$ 0.7