Summary Of Significant Accounting Policies (Schedule Of Movement Of Warranty Reserves) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Accounting Policies [Abstract]
Balance at beginning of year	$ 3,995
Accruals for warranties issued, net	2,531
Settlements made	(2,019)
Product Warranty Accrual, Adjustment For Discontinued Operations	0
Foreign currency translation adjustment	(125)
Balance at end of period	$ 4,382