Stock Plans (Options Outstanding) (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Shares Subject to Option [Roll forward]
Balance at beginning of period (in shares)	540,000
Options granted (in shares)		0
Options canceled, forfeited or lapsed (in shares)	(447,000)
Balance at end of period (in shares)	93,000		540,000
Exercisable at end of period (in shares)	93,000
Weighted Average Option Price Per Share [Abstract]
Balance at beginning of period (in dollars per share)	$ 10.99
Options canceled, forfeited or lapsed (in dollars per share)	$ 10.54
Balance at end of period (in dollars per share)	$ 13.20		$ 10.99
Exercisable at end of period (in dollars per share)	$ 13.20		$ 10.99
Weighted Average Remaining Life in Years [Abstract]
Balance at beginning of period	2 years		10 months 24 days
Balance at end of period	2 years		10 months 24 days
Exercisable at end of period	2 years
Aggregate Intrinsic Value [Abstract]
Balance at beginning of period
Balance at end of period		0
Exercisable at end of period		$ 0