Stock Plans (Options Outstanding) (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Shares Subject to Option [Roll forward]
Balance at beginning of period (in shares)	540	895	1,507
Options exercised (in shares)			(10)
Options canceled, forfeited or lapsed (in shares)	(457)	(355)	(602)
Balance at end of period (in shares)	83	540	895	1,507
Weighted Average Option Price Per Share [Abstract]
Balance at beginning of period (in dollars per share)	$ 10.99	$ 9.94	$ 10.50
Options exercised (in dollars per share)			$ 8.19
Options canceled, forfeited or lapsed (in dollars per share)	$ 10.59	$ 8.35	$ 10.86
Balance at end of period (in dollars per share)	$ 13.23	$ 10.99	$ 9.94	$ 10.50
Weighted Average Remaining Life in Years [Abstract]
Balance at beginning of period	1 year 9 months 18 days	10 months 24 days	1 year 3 months 18 days	1 year 8 months 12 days
Balance at end of period	1 year 9 months 18 days	10 months 24 days	1 year 3 months 18 days	1 year 8 months 12 days
Aggregate Intrinsic Value [Abstract]
Balance at beginning of period			$ 603,000
Balance at end of period				603,000
Options Exercised			$ 12,000