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Commitments and Contingencies
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Dec. 31, 2011
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| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies | Commitments and Contingencies: Operating and Capital Leases The Company has entered into non-cancelable operating lease agreements to lease facilities, certain equipment and sites for towers and antennas required for the operation of its wireless networks. Total rent expense for the years ended December 31, 2011, 2010 and 2009 was $358.7 million, $325.1 million and $281.2 million, respectively. The Company entered into various non-cancelable distributed antenna systems (“DAS”) capital lease agreements, with varying expiration terms through 2026. Future annual minimum rental payments required for all non-cancelable operating and capital leases at December 31, 2011 are as follows (in thousands):
Purchase Obligations The Company has several commitments with various network infrastructure and equipment providers for the acquisition of assets to be used in the ordinary course of business. These amounts are not reflective of the Company's entire anticipated purchases under the related agreements, but are generally determined based on the non-cancelable quantities or termination amounts to which the Company is contractually obligated. In addition, the Company intends to purchase certain equipment under an agreement in which it has the option, but not the obligation, to purchase the equipment. The following table provides aggregate information about the commitments under the Company's purchase obligations and other agreements as of December 31, 2011 (in thousands):
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