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Commitments, Contingencies and Legal Proceedings (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Leases [Member]
Summary of the minimum annual payment due on noncancelable operating lease
2013	$ 4,928
2014	3,373
2015	2,798
2016	2,329
2017	2,078
Thereafter	5,595
Other [Member]
Summary of the minimum annual payment due on noncancelable operating lease
2013	133,788
2014	40,595
2015	27,728
2016	1,039
2017	$ 507

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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