Debt, Commitments And Contingencies (Schedule Of Estimated Future Minimum Operating Lease Commitments) (Details) (USD $) In Thousands	Sep. 30, 2011
Debt, Commitments And Contingencies [Abstract]
2011 (Remaining)	$ 6,412
2012	22,140
2013	13,727
2014	10,287
2015	7,391
Thereafter	8,011
Total	$ 67,968

Debt Commitments And Contingencies [Abstract]

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- Definition

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

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-Name Statement of Financial Accounting Standard (FAS)

-Number 13

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-Subparagraph b(i)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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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.

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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.

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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.

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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.

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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.

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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.

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