Stock-Based Incentive Plans (Stock Option Awards By Exercise Price Range) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 7.05
Range of Exercise Prices, Upper Range Limit	$ 30.99
Options Outstanding, Shares Outstanding at Dec. 31, 2012	6,861
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	1 year
Options Outstanding, Weighted Average Exercise Price	$ 13.97
Options Exercisable, Shares Exercisable at Dec. 31, 2012	6,529
Options Exercisable, Weighted Average Exercise Price	$ 14.18
7.05 - 13.58 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 7.05
Range of Exercise Prices, Upper Range Limit	$ 13.58
Options Outstanding, Shares Outstanding at Dec. 31, 2012	1,333
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	2 years 7 months 6 days
Options Outstanding, Weighted Average Exercise Price	$ 8.12
Options Exercisable, Shares Exercisable at Dec. 31, 2012	1,008
Options Exercisable, Weighted Average Exercise Price	$ 7.61
13.82 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Upper Range Limit	$ 13.82
Options Outstanding, Shares Outstanding at Dec. 31, 2012	4,000
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	6 months
Options Outstanding, Weighted Average Exercise Price	$ 13.82
Options Exercisable, Shares Exercisable at Dec. 31, 2012	4,000
Options Exercisable, Weighted Average Exercise Price	$ 13.82
14.80 - 18.52 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 14.80
Range of Exercise Prices, Upper Range Limit	$ 18.52
Options Outstanding, Shares Outstanding at Dec. 31, 2012	905
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	1 year 2 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 17.83
Options Exercisable, Shares Exercisable at Dec. 31, 2012	900
Options Exercisable, Weighted Average Exercise Price	$ 17.85
18.69 - 19.39 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 18.69
Range of Exercise Prices, Upper Range Limit	$ 19.39
Options Outstanding, Shares Outstanding at Dec. 31, 2012	324
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	1 year
Options Outstanding, Weighted Average Exercise Price	$ 19.15
Options Exercisable, Shares Exercisable at Dec. 31, 2012	322
Options Exercisable, Weighted Average Exercise Price	$ 19.15
19.43 - 30.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 19.43
Range of Exercise Prices, Upper Range Limit	$ 30.99
Options Outstanding, Shares Outstanding at Dec. 31, 2012	299
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	8 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 24.84
Options Exercisable, Shares Exercisable at Dec. 31, 2012	299
Options Exercisable, Weighted Average Exercise Price	$ 24.84