Long-Term Incentive Plans (Stock Options Outstanding) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Long-Term Incentive Plans [Abstract]
Number of Shares, Outstanding at beginning of year	5,963,268	6,425,073	6,650,947
Number of options granted	0	0	0
Options expired or canceled	(2,247,862)	(461,805)	(225,874)
Number of Shares, Outstanding at end of year	3,715,406	5,963,268	6,425,073
Number of Shares, Exercisable at end of year	1,752,311	1,751,173	2,211,878
Outstanding at beginning of year, Weighted Average Price per Share	$ 19.0485	$ 21.3330	$ 22.1713
Granted, Weighted Average Price per Share	$ 0.0000	$ 0.0000	$ 0.0000
Expired or canceled, Weighted Average Price per Share	$ 16.3382	$ 50.8330	$ 46.0164
Outstanding at end of year, Weighted Average Price per Share	$ 20.6883	$ 19.0485	$ 21.3330
Exercisable at end of year, Weighted Average Price per Share	$ 38.5120	$ 45.0174	$ 46.1478
Weighted average fair value per share of options granted during the year, Weighted Avg. Price per Share	$ 0.00	$ 0.00	$ 0.00