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Leases

12 Months Ended

Dec. 31, 2011

14.

LEASES

The Company entered into an eleven-year lease agreement for office space in Westminster, Colorado, effective January 1, 2001. Lease expense for the years ended December 31, 2011, 2010, and 2009, was $4.6 million, $4.0 million, and $3.9 million, respectively. Sub-lease rental income was $3.8 million, $1.9 million, and $1.5 million for the years ended December 31, 2011, 2010, and 2009, respectively.

The Company does not have future minimum lease payments and sub-lease receipts as of December 31, 2011 as the lease agreement expired on December 31, 2011.

- Definition

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

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