Indebtedness (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012
Summary of the stated maturities and scheduled principal payments
Remainder of 2012	$ 71,417
2013	13,164
2014	271,063
2015	62,088
2016	293,467
Thereafter	735,073
Total	$ 1,446,272

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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