Stock-Based Compensation Plans (Summary Of Stock Option Activity) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Outstanding, beginning balance, shares	0.8
Outstanding, beginning balance, weighted average exercise price	$ 13.11
Outstanding, beginning balance weighted average remaining contractual term	7 years	7 years 2 months 12 days
Outstanding, beginning balance, weighted average fair value at date of grant	$ 3.74	$ 3.74
Exercisable, beginning balance, shares	0.2
Exercisable, beginning balance, weighted average exercise price	$ 13.14
Exercisable, beginning balance, weighted average remaining contractual term	6 years 8 months 12 days	5 years 9 months 18 days
Exercisable, beginning balance, weighted average fair value at grant date	$ 4.01
Granted, shares	0
Exercised, shares	0
Forfeited/cancelled, shares	0
Outstanding, ending balance, shares	0.8	0.8
Outstanding, ending balance, weighted average exercise price	$ 13.11	$ 13.11
Outstanding, ending balance weighted average remaining contractual term	7 years	7 years 2 months 12 days
Outstanding, ending balance, weighted average fair value at date of grant	$ 3.74	$ 3.74
Exercisable, ending balance, shares	0.6	0.2
Exercisable, ending balance, weighted average exercise price	$ 13.22	$ 13.14
Exercisable, ending balance, weighted average remaining contractual term	6 years 8 months 12 days	5 years 9 months 18 days
Exercisable, ending balance, weighted average fair value at grant date	$ 3.84	$ 4.01