Commitments (Schedule Of Future Minimum Lease Payments Under Noncancelable Operating Leases And Future Minimum Capital Lease Payments) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Commitments [Abstract]
Capital Leases, 2014	$ 1,581
Capital Leases, 2015	1,613
Capital Leases, 2016	1,645
Capital Leases, 2017	1,678
Capital Leases, 2018	1,712
Capital Leases, Thereafter	7,661
Capital Leases, Total minimum lease payments	15,890
Less: amount representing interest	5,787
Present value of minimum lease payments	10,103
Less: current installments	582	497
Capital lease obligations, less current installments	9,521	10,103
Operating Leases, 2014	9,452
Operating Leases, 2015	8,309
Operating Leases, 2016	5,375
Operating Leases, 2017	2,756
Operating Leases, 2018	2,684
Operating Leases, Thereafter	4,666
Operating Leases, Total minimum lease payments	$ 33,242

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing after the fifth fiscal year following the latest fiscal year for capital leases.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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