Off-Balance-Sheet Arrangements, Commitments, Guarantees And Contingencies (Future Minimum Lease Payments Due Under Non-Cancelable Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Off-Balance-Sheet Arrangements, Commitments, Guarantees And Contingencies [Abstract]
2012	$ 17,150
2013	16,090
2014	12,173
2015	8,875
2016	7,373
Thereafter	42,146
Future minimum lease payments due, total	$ 103,807

Off-Balance-Sheet Arrangements, Commitments, Guarantees And Contingencies (Future Minimum Lease Payments Due Under Non-Cancelable Operating Leases) (Details) (USD $)
In Thousands, unless otherwise specified

Dec. 31, 2011

Off-Balance-Sheet Arrangements, Commitments, Guarantees And Contingencies [Abstract]

$ 17,150

16,090

12,173

8,875

7,373

42,146

Future minimum lease payments due, total

$ 103,807

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- Definition

The total of contractually required rental payments on leases meeting the criteria for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 16

-Subparagraph a(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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Contractually required rental payments on leases meeting the criteria for capitalization, due within one year of the balance sheet date.

+ References

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the fifth year from the balance sheet date.

+ References

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the fourth year from the balance sheet date.

+ References

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the third year from the balance sheet date.

+ References

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the second year from the balance sheet date.

+ References

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Contractually required rental payments due on leases meeting the criteria for capitalization, after the fifth year from the balance sheet date.

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