Stock-Based Compensation and Other Plans (Details 3) (Stock options, USD $)	12 Months Ended			3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2011 CEO	Dec. 31, 2013 CEO	Dec. 31, 2013 COO
Shares Underlying Stock Options
Balance at the beginning of the period (in shares)	455,706	455,366	304,970
Options granted (in shares)		33,333	218,684	33,334
Options exercised (in shares)	0	0	0
Options forfeited/expired (in shares)	(126,183)	(32,993)	(68,288)		50,000	33,332
Balance at the end of the period (in shares)	329,523	455,706	455,366
Weighted Average Exercise Price
Balance at the beginning of the period (in dollars per share)	$ 47.20	$ 51.60	$ 63.20
Options granted (in dollars per share)		$ 17.40	$ 35.20
Options forfeited/expired (in dollars per share)	$ 35.49	$ 78.80	$ 50.20
Balance at the end of the period (in dollars per share)	$ 51.67	$ 47.20	$ 51.60
Additional disclosure
Remaining average contractual term of shares exercisable	1 year 4 months 24 days
Intrinsic value of options outstanding (in dollars)	$ 0