Shareholders' Equity and Stock Compensation (Summary Of Stock Option Activity) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, balance, beginning of period (in shares) | shares	472
Options outstanding, granted (in shares) | shares	0
Options outstanding, exercised (in shares) | shares	(60)
Options outstanding, forfeited/expired (in shares) | shares	(34)
Options outstanding, balance, end of period (in shares) | shares	378
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted avg exercise price, balance beginning of period (in usd per share) | $ / shares	$ 14.58
Weighted-avg exercise price, granted (in usd per share) | $ / shares	0.00
Weighted-avg exercise price, exercised (in usd per share) | $ / shares	12.86
Weighted-avg exercise price, forfeited/expired (in usd per share) | $ / shares	24.19
Weighted avg exercise price, balance, end of period (in usd per share) | $ / shares	$ 13.99
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options exercisable, end of period, options outstanding (in shares) | shares	366
Options exercisable, end of period, weighted avg. exercise price (in usd per share) | $ / shares	$ 14.06
Options outstanding, weighted avg remaining contractual term	3 years 1 month 21 days
Options exercisable, end of period, weighted-avg remaining contractual term	3 years 11 days
Options outstanding, aggregate intrinsic value | $	$ 1,093
Options exercisable, end of period, aggregate intrinsic value | $	$ 1,051