Summary Of Significant Accounting Policies (Cash and Cash Equivalents) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 42,492,000	$ 40,406,000	$ 40,315,000	$ 46,168,000
Foreign earnings expected to be repatriated in next fiscal year	2,000,000
Foreign Subsidiaries [Member]
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 3,000,000	$ 3,600,000