Leases (Schedule Of Future Minimum Rental Payments For Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Leases [Abstract]
Minimum payments required, 2012	$ 5,023
Minimum payments required, 2013	4,885
Minimum payments required, 2014	4,960
Minimum payments required, 2015	2,757
Minimum payments required, 2016	1,070
Minimum payments required, Thereafter	4,624
Minimum payments required, Total	$ 23,319

The total of future contractually required payments on leases defined as operating.

+ References+ Details

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating.

+ References+ Details

- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating.

+ References+ Details

- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating.

+ References+ Details

- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating.

+ References+ Details

- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating.

+ References+ Details

- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating.

+ References+ Details