Earnings Per Share (Reconciliation Of Common Shares Used In Denominator For Computing Basic And Diluted EPS) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share [Abstract]
Weighted average shares of common stock outstanding, used in computing basic earnings per share (in shares)	34,353	33,780	34,260	33,743
Effect of dilutive stock options and restricted stock units	0	0	301	0
Weighted-average shares of common stock outstanding, used in computing diluted earnings per share (in shares)	34,353	33,780	34,561	33,743
Earnings per share of common stock:
Earnings per share of common stock, Basic (in dollars per share)	$ (0.21)	$ (0.23)	$ 0.09	$ (0.12)
Earnings per share of common stock, Diluted (in dollars per share)	$ (0.21)	$ (0.23)	$ 0.09	$ (0.12)